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Revision Project: Pests had destroyed grape, celery, chili

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Revision Project: Pests had destroyed grape, celery, chili [#permalink]

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Pests had destroyed grape, celery, chili pepper crops, sugar beet and walnut in the region, but in the 1880s, more effective pest-control methods saved the citrus industry.

A. Pests had destroyed grape, celery, chili pepper crops, sugar beet and walnut in the region, but in the 1880s, more effective pest-control methods saved the citrus industry.

B. Pests had destroyed grape, celery, chili pepper, sugar beet and walnut crops in the region, but in the 1880s, more effective pest-control methods saved the citrus industry.

C. Pests had destroyed grape, celery, chili pepper, sugar beet and walnut crops in the region, but more effective pest-control methods that were introduced in the 1880s saved the citrus industry.

D. In the 1880s, pests destroyed grape, celery, chili pepper, sugar beet and walnut crops in the region and more effective pest-control methods saved the citrus industry.

E. In the 1880s, more effective pest-control methods saved the citrus industry from what was destroying grape, celery, chili pepper, sugar beet and walnut crops in the region.
[Reveal] Spoiler: OA

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Last edited by broall on 25 Sep 2017, 18:33, edited 2 times in total.
Reformatted question

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Re: Revision Project: Pests had destroyed grape, celery, chili [#permalink]

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New post 06 Mar 2010, 11:57
Toughie, Between B and C :

b]Pests had destroyed grape, celery, chili pepper, sugar beet and walnut crops in the region, but in the 1880s, more effective pest-control methods saved the citrus industry.
c]Pests had destroyed grape, celery, chili pepper, sugar beet and walnut crops in the region, but more effective pest-control methods that were introduced in the 1880s saved the citrus industry.

Getting the right meaning is important I suppose. B conveys that more effective methods save the citrus industry in 1880.
C conveys that methods that were introduced in 1880 solved the problem.

Not sure which one to pick though. I would go for B.

What is the OA?

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Re: Revision Project: Pests had destroyed grape, celery, chili [#permalink]

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New post 06 Mar 2010, 16:09
Deciding between B and C as well.

IMO C

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Re: Revision Project: Pests had destroyed grape, celery, chili [#permalink]

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New post 06 Mar 2010, 17:11
IMO B.

C is less concise and awkwardly phrased.

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Re: Revision Project: Pests had destroyed grape, celery, chili [#permalink]

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Hey All,

Good thinking on this one, but I thought I'd just add in a bit more. This question involves a couple of different categories, parallelism and meaning. Let's look through the answer choices one by one.


a]Pests had destroyed grape, celery, chili pepper crops, sugar beet and walnut in the region, but in the 1880s, more effective pest-control methods saved the citrus industry.
PROBLEM: Why would we put the word "crops" after chili pepper, but not any of the other terms? If anything, it needs to go at the end of the list, so that it will retroactively apply to ALL of the terms.

b]Pests had destroyed grape, celery, chili pepper, sugar beet and walnut crops in the region, but in the 1880s, more effective pest-control methods saved the citrus industry.
ANSWER: Parallelism is good. Also, the use of the past perfect is justified in the beginning of the sentence, because we have a regular past tense verb elsewhere in the sentence, the action of which occurs AFTER the past perfect action.

c]Pests had destroyed grape, celery, chili pepper, sugar beet and walnut crops in the region, but more effective pest-control methods that were introduced in the 1880s saved the citrus industry.
PROBLEM: This is a very subtle issue of meaning and parallelism. In the case of B, we're contrasting the two actions "Pests had destroyed these crops...but in the 1880s". That's a contrast of time (we know this because of what comes after the BUT, which is a parallelism marker). In C, this has become "Pests destroyed these crops, but more effective methods saved the citrus industry." In other words, in B we're contrasting two different times, whereas in C, we're contrasting a time with "more effective pest control. Only B works.

d]In the 1880s, pests destroyed grape, celery, chili pepper, sugar beet and walnut crops in the region and more effective pest-control methods saved the citrus industry.
PROBLEM: "In the 1880s" is modifying both "destroyed and "saved", which is incorrect. We need two DIFFERENT times.

e]In the 1880s, more effective pest-control methods saved the citrus industry from what was destroying grape, celery, chili pepper, sugar beet and walnut crops in the region.
PROBLEM: The verb "was" should be "had been", because that action took place before the action of "saved". This is also a more awkward construction than B and C.

Hope that helps!
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Re: Revision Project: Pests had destroyed grape, celery, chili [#permalink]

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there should be a comma before and !

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Re: Revision Project: Pests had destroyed grape, celery, chili [#permalink]

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Pests had destroyed grape, celery, chili pepper crops, sugar beet and walnut in the region, but in the 1880s, more effective pest-control methods saved the citrus industry.

A. Pests had destroyed grape, celery, chili pepper crops, sugar beet and walnut in the region, but in the 1880s, more effective pest-control methods saved the citrus industry.

B. Pests had destroyed grape, celery, chili pepper, sugar beet and walnut crops in the region, but in the 1880s, more effective pest-control methods saved the citrus industry.

C. Pests had destroyed grape, celery, chili pepper, sugar beet and walnut crops in the region, but more effective pest-control methods that were introduced in the 1880s saved the citrus industry.

D. In the 1880s, pests destroyed grape, celery, chili pepper, sugar beet and walnut crops in the region and more effective pest-control methods saved the citrus industry.

E. In the 1880s, more effective pest-control methods saved the citrus industry from what was destroying grape, celery, chili pepper, sugar beet and walnut crops in the region.

[Reveal] Spoiler:
This sentence has poor parallelism, due to the placement of the word “crops.” It
seems to indicate that there were three types of crops (grape, celery and chili pepper)
that had been destroyed, but that sugar beet and walnut had been destroyed entirely,
rather than just the crops of those plants.
• Pests had destroyed grape, celery, chili pepper crops, sugar beet and walnut
in the region, but in the 1880s, more effective pest-control methods saved the
citrus industry.
(A) This choice is incorrect as it repeats the original sentence. OK.
• Pests had destroyed grape, celery, chili pepper, sugar beet and walnut crops
in the region, but in the 1880s, more effective pest-control methods saved the
citrus industry.
• (B) CORRECT. The word “crop” is placed correctly after the list of crop types.
The modifier “in the 1880s” correctly modifies the last phrase in the sentence,
indicating only that the citrus industry was saved in the 1880s. By using the
past perfect “had destroyed,” this sentence indicates that the other crops had
been destroyed at some time prior to the 1880s. The later past event uses the
simple past tense, whereas the earlier past event uses the past perfect tense.
This time line of events matches the meaning in the original sentence.
• Pests had destroyed grape, celery, chili pepper, sugar beet and walnut crops
in the region, but more effective pest-control methods that were introduced in
the 1880s saved the citrus industry.
• The citrus industry was saved in the 1880s. As per the sentence above,
we know that the methods were introduced in the 1880’s but have no idea
when the citrus industry was saved.
• (C) The modifying phrase “that were introduced in the 1880s” refers to the
“methods” immediately preceding the phrase. This alters the meaning of the
sentence, since “in the 1880s” no longer modifies “saved the citrus industry.
The simple past tense indicates “saved” happened sometime in the past, but
not necessarily in that particular decade.
The modifier uses the relative pronoun “that,” but “that” should only
introduce essential modifiers. “Which” is a better choice here, since the
modifying phrase is non-essential.
• In the 1880s, pests destroyed grape, celery, chili pepper, sugar beet and
walnut crops in the region and more effective pest-control methods saved the
citrus industry.
• (D) The placement of the modifier “In the 1880s” and the use of two simple
past verbs “destroyed” and “saved,” indicate that both occurred in that decade.
The original sentence indicates only that the citrus industry was saved in the
1880s, and by using the past perfect “had destroyed” indicates that the other
crops had been destroyed at some time prior to the 1880s. The original
sentence used the word “but” to indicate a contrast, yet this sentence alters the
meaning by using “and” instead.
• In the 1880s, more effective pest-control methods saved the citrus industry
from what was destroying grape, celery, chili pepper, sugar beet and walnut
crops in the region.
• (E) The use of the phrase “what was destroying” is an awkward way to refer to
“pests.” Also, the placement of the modifier “In the 1880s” and the use of the
past progressive “was destroying” indicates that the destruction was ongoing in
that decade. The original sentence indicates only that the citrus industry was
saved in the 1880s, and by using the past perfect “had destroyed” indicates
that the other crops had been destroyed at some time prior to the 1880s.

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Re: Revision Project: Pests had destroyed grape, celery, chili [#permalink]

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souvik101990 wrote:
Pests had destroyed grape, celery, chili pepper crops, sugar beet and walnut in the region, but in the 1880s, more effective pest-control methods saved the citrus industry.

A. Pests had destroyed grape, celery, chili pepper crops, sugar beet and walnut in the region, but in the 1880s, more effective pest-control methods saved the citrus industry.

B. Pests had destroyed grape, celery, chili pepper, sugar beet and walnut crops in the region, but in the 1880s, more effective pest-control methods saved the citrus industry.

C. Pests had destroyed grape, celery, chili pepper, sugar beet and walnut crops in the region, but more effective pest-control methods that were introduced in the 1880s saved the citrus industry.

D. In the 1880s, pests destroyed grape, celery, chili pepper, sugar beet and walnut crops in the region and more effective pest-control methods saved the citrus industry.

E. In the 1880s, more effective pest-control methods saved the citrus industry from what was destroying grape, celery, chili pepper, sugar beet and walnut crops in the region.

[Reveal] Spoiler:
OA - In a While!


This one is really confusing. D and E are out because of meaning change issue.
I am trapped between B and C.
Original sentence sounds unclear to me first, because if both the parts of the given sentence are facts then use of past perfect is not warranted.
But since all the 3 options has past perfect in it, then the two parts of the sentence must convey a sequence of action, one after another. 'In 1980' in the middle of the sentence does not make the sequence clear. I mean it is not clear that when were the crops destroyed by the pests. Did it happen before or after 1980, this ambiguity makes it difficult to judge for the use of past perfect in first part of the sentence.
Finally, chose C. (Time taken 3:15 mins :P )
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Re: Revision Project: Pests had destroyed grape, celery, chili [#permalink]

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New post 06 Feb 2015, 07:54
E redundant.
D - and is not required. but is required to show the contrast.
C - Seems ok, a little more wordy than A/B but correctly conveys the sequence of action. Hence best fit.
B-Had is not required
A-had is not required
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Re: Revision Project: Pests had destroyed grape, celery, chili [#permalink]

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B for me.....Modifying phrase in 2nd clause apt

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Re: Revision Project: Pests had destroyed grape, celery, chili [#permalink]

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souvik101990 wrote:
Pests had destroyed grape, celery, chili pepper crops, sugar beet and walnut in the region, but in the 1880s, more effective pest-control methods saved the citrus industry.

A. Pests had destroyed grape, celery, chili pepper crops, sugar beet and walnut in the region, but in the 1880s, more effective pest-control methods saved the citrus industry.

B. Pests had destroyed grape, celery, chili pepper, sugar beet and walnut crops in the region, but in the 1880s, more effective pest-control methods saved the citrus industry.

C. Pests had destroyed grape, celery, chili pepper, sugar beet and walnut crops in the region, but more effective pest-control methods that were introduced in the 1880s saved the citrus industry.

D. In the 1880s, pests destroyed grape, celery, chili pepper, sugar beet and walnut crops in the region and more effective pest-control methods saved the citrus industry.

E. In the 1880s, more effective pest-control methods saved the citrus industry from what was destroying grape, celery, chili pepper, sugar beet and walnut crops in the region.

[Reveal] Spoiler:
OA - In a While!



For me, Answer C.
Sentence structure makes more sense to me, explaining that new methods were introduced in the 1880s, saving the citrus industry. But a hard pick between B and C

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Re: Revision Project: Pests had destroyed grape, celery, chili [#permalink]

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A. Pests had destroyed grape, celery, chili pepper crops, sugar beet and walnut in the region, but in the 1880s, more effective pest-control methods saved the citrus industry.
crops wrongly placed

B. Pests had destroyed grape, celery, chili pepper, sugar beet and walnut crops in the region, but in the 1880s, more effective pest-control methods saved the citrus industry.
structurally and grammatically correct

C. Pests had destroyed grape, celery, chili pepper, sugar beet and walnut crops in the region, but more effective pest-control methods that were introduced in the 1880s saved the citrus industry.
crops rightly placed. but meaning changed. original meaning says that more effective pest-control methods saved the citrus industry in 1880s(these methods could have been introduced anytime but were effective in 1880s.. so wrong), whereas the sentence now says that these pest control methods were introduced in 1880s.

D. In the 1880s, pests destroyed grape, celery, chili pepper, sugar beet and walnut crops in the region and more effective pest-control methods saved the citrus industry.
it changes meaning by saying that the crops were destroyed in 1880s.the original never says that ...so out

E. In the 1880s, more effective pest-control methods saved the citrus industry from what was destroying grape, celery, chili pepper, sugar beet and walnut crops in the region.
structurally and grammatically incorrect

ans B
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Re: Revision Project: Pests had destroyed grape, celery, chili [#permalink]

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chetan2u wrote:
A. Pests had destroyed grape, celery, chili pepper crops, sugar beet and walnut in the region, but in the 1880s, more effective pest-control methods saved the citrus industry.
crops wrongly placed

B. Pests had destroyed grape, celery, chili pepper, sugar beet and walnut crops in the region, but in the 1880s, more effective pest-control methods saved the citrus industry.
structurally and grammatically correct

C. Pests had destroyed grape, celery, chili pepper, sugar beet and walnut crops in the region, but more effective pest-control methods that were introduced in the 1880s saved the citrus industry.
crops rightly placed. but meaning changed. original meaning says that more effective pest-control methods saved the citrus industry in 1880s(these methods could have been introduced anytime but were effective in 1880s.. so wrong), whereas the sentence now says that these pest control methods were introduced in 1880s.

D. In the 1880s, pests destroyed grape, celery, chili pepper, sugar beet and walnut crops in the region and more effective pest-control methods saved the citrus industry.
it changes meaning by saying that the crops were destroyed in 1880s.the original never says that ...so out

E. In the 1880s, more effective pest-control methods saved the citrus industry from what was destroying grape, celery, chili pepper, sugar beet and walnut crops in the region.
structurally and grammatically incorrect

ans B



Could also be the other way round:
For me in C, the actions are logically constructed + past perfect -- > simple past indicate a shift in time and action.

Asking for GMAT Sentence Correction in general, can we assume that original meaning in the given sentence in the question stem is the logic that needs to be properly shown or is it possible that logic in the question stem is flawed already? I think so. And thus, your explanation would just be an assumption that the pest control methods were available earlier.

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Re: Revision Project: Pests had destroyed grape, celery, chili [#permalink]

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LaxAvenger wrote:
chetan2u wrote:
A. Pests had destroyed grape, celery, chili pepper crops, sugar beet and walnut in the region, but in the 1880s, more effective pest-control methods saved the citrus industry.
crops wrongly placed

B. Pests had destroyed grape, celery, chili pepper, sugar beet and walnut crops in the region, but in the 1880s, more effective pest-control methods saved the citrus industry.
structurally and grammatically correct

C. Pests had destroyed grape, celery, chili pepper, sugar beet and walnut crops in the region, but more effective pest-control methods that were introduced in the 1880s saved the citrus industry.
crops rightly placed. but meaning changed. original meaning says that more effective pest-control methods saved the citrus industry in 1880s(these methods could have been introduced anytime but were effective in 1880s.. so wrong), whereas the sentence now says that these pest control methods were introduced in 1880s.

D. In the 1880s, pests destroyed grape, celery, chili pepper, sugar beet and walnut crops in the region and more effective pest-control methods saved the citrus industry.
it changes meaning by saying that the crops were destroyed in 1880s.the original never says that ...so out

E. In the 1880s, more effective pest-control methods saved the citrus industry from what was destroying grape, celery, chili pepper, sugar beet and walnut crops in the region.
structurally and grammatically incorrect

ans B



Could also be the other way round:
For me in C, the actions are logically constructed + past perfect -- > simple past indicate a shift in time and action.

Asking for GMAT Sentence Correction in general, can we assume that original meaning in the given sentence in the question stem is the logic that needs to be properly shown or is it possible that logic in the question stem is flawed already? I think so. And thus, your explanation would just be an assumption that the pest control methods were available earlier.


hi,
whenever there is a change in meaning, the meaning of the original always stays and is correct, unless all the options conveying original meaning are grammatically wrong....
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Re: Revision Project: Pests had destroyed grape, celery, chili [#permalink]

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chetan2u wrote:
LaxAvenger wrote:
chetan2u wrote:
A. Pests had destroyed grape, celery, chili pepper crops, sugar beet and walnut in the region, but in the 1880s, more effective pest-control methods saved the citrus industry.
crops wrongly placed

B. Pests had destroyed grape, celery, chili pepper, sugar beet and walnut crops in the region, but in the 1880s, more effective pest-control methods saved the citrus industry.
structurally and grammatically correct

C. Pests had destroyed grape, celery, chili pepper, sugar beet and walnut crops in the region, but more effective pest-control methods that were introduced in the 1880s saved the citrus industry.
crops rightly placed. but meaning changed. original meaning says that more effective pest-control methods saved the citrus industry in 1880s(these methods could have been introduced anytime but were effective in 1880s.. so wrong), whereas the sentence now says that these pest control methods were introduced in 1880s.

D. In the 1880s, pests destroyed grape, celery, chili pepper, sugar beet and walnut crops in the region and more effective pest-control methods saved the citrus industry.
it changes meaning by saying that the crops were destroyed in 1880s.the original never says that ...so out

E. In the 1880s, more effective pest-control methods saved the citrus industry from what was destroying grape, celery, chili pepper, sugar beet and walnut crops in the region.
structurally and grammatically incorrect

ans B



Could also be the other way round:
For me in C, the actions are logically constructed + past perfect -- > simple past indicate a shift in time and action.

Asking for GMAT Sentence Correction in general, can we assume that original meaning in the given sentence in the question stem is the logic that needs to be properly shown or is it possible that logic in the question stem is flawed already? I think so. And thus, your explanation would just be an assumption that the pest control methods were available earlier.


hi,
whenever there is a change in meaning, the meaning of the original always stays and is correct, unless all the options conveying original meaning are grammatically wrong....


i believe the phrase "but in the 1880s" itself indicates pest control were introduced during a particular time period (that is 1980s) and not in any particular year so there is no meaning change. So option C is clearly conveys the meaning. For B opt, it is a bit clumsy.

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Re: Revision Project: Pests had destroyed grape, celery, chili [#permalink]

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Here we go:

'but' here is used as a coordinating conjunction joining two ICs.

Option D and option E are easy to eliminate


A. Pests had destroyed grape, celery, chili pepper crops, sugar beet and walnut in the region, but in the 1880s, more effective pest-control methods saved the citrus industry.

------ The word 'crops' is misplaced in the sentence --------

B. Pests had destroyed grape, celery, chili pepper, sugar beet and walnut crops in the region, but in the 1880s, more effective pest-control methods saved the citrus industry.

---- Seems OK -----

C. Pests had destroyed grape, celery, chili pepper, sugar beet and walnut crops in the region, but more effective pest-control methods that were introduced in the 1880s saved the citrus industry.

---- Here the modifier "that were introduced in the 1880s" distorts the meaning. It conveys that the pest-control methods were introduced in the 1880s, but that was not intended in the original sentence---

According to me, Option B is correct

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Re: Revision Project: Pests had destroyed grape, celery, chili [#permalink]

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Quote:
i believe the phrase "but in the 1880s" itself indicates pest control were introduced during a particular time period (that is 1980s) and not in any particular year so there is no meaning change. So option C is clearly conveys the meaning. For B opt, it is a bit clumsy.





Hi Humblebuggie,

Consider the following two examples...

In 1990s, Internet has taken over the world.

and

Internet that was introduced in 1990s has taken over the world.

Both sentences(though grammatically correct) have different meaning.

Same is the case with option B and option C.

Correct me if I am wrong

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Re: Revision Project: Pests had destroyed grape, celery, chili [#permalink]

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New post 11 Feb 2015, 01:53
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DesiGmat wrote:
Quote:
i believe the phrase "but in the 1880s" itself indicates pest control were introduced during a particular time period (that is 1980s) and not in any particular year so there is no meaning change. So option C is clearly conveys the meaning. For B opt, it is a bit clumsy.





Hi Humblebuggie,

Consider the following two examples...

In 1990s, Internet has taken over the world.

and

Internet that was introduced in 1990s has taken over the world.

Both sentences(though grammatically correct) have different meaning.

Same is the case with option B and option C.

Correct me if I am wrong


comparing internet to pest control methods doesn't add up somehow and i am not convinced. Internet need time to be adopted so it make sense in your examples but is that the same case for pest control methods? Even the second part of the sentence doesn't say pest control methods saved all kinds crops that are mentioned in first part of sentence, it just says "citrus industry" alone.

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Re: Revision Project: Pests had destroyed grape, celery, chili [#permalink]

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New post 11 Feb 2015, 07:58
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Hi,

chetan2u and DesiGmat explanations make sense.
B for me as well.
souvik101990 Can u please post the original answer ? Its been a while :)

Thanks!

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Re: Revision Project: Pests had destroyed grape, celery, chili [#permalink]

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New post 15 Feb 2015, 09:05

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Re: Revision Project: Pests had destroyed grape, celery, chili   [#permalink] 15 Feb 2015, 09:05

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