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# Many entomologists say that campaigns to eradicate the fire

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12 Jul 2006, 19:40
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Many entomologists say that campaigns to eradicate the fire ant in the United States have failed because the chemicals that were used were effective only in wiping out the ant's natural enemies, which made it easier for them to spread.

A. which made it easier for them
B. which makes it easier for it
C. thus making it easier for them
D. thus making it easier for the ant
E. thereby, it was made easier for the ant
[Reveal] Spoiler: OA

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12 Jul 2006, 21:26
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Will go with D

A/B - incorrect use of "which"
C - Pronoun "them" is ambiguous
E - "it" is incorrect.

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15 Dec 2012, 13:03
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fire ant : singular

thus we can safely eliminate options that comtain THEM...... A & C disappears.

2nd : what is WHICH doing here......to whom is WHICH clinging to?........if it is parasitic to natural enemies then it doesn't makes any sense ....B gone with the wind.

Bxn D & E: keeping aside grammar rules...just relying on intuition

D : X happened...........THUS Y

E : X happened............THEREBY.....it was made easier for the ant

which one wld u zone in on...... Guess D

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12 Oct 2016, 04:17
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By elimination
A. which made it easier for them – which, incorrect modifier. them is plural, cannot be used to refer singular noun (ant species)
B. which makes it easier for it – which, incorrect modifier. it is singular (referring to ant species), correct but antecedent is ambiguous
C. thus making it easier for them – them is plural, cannot be used to refer singular noun (ant species)
D. thus making it easier for the ant - correct
E. thereby, it was made easier for the ant – passive voice. it has no antecedent ("it" acts as a subject and not having a clear antecedent is worrisome)

Thanks.
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12 Jul 2006, 19:49
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D

Its between C and D. "them" in C is ambiguous and may refer to ants or their enemies.
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12 Jul 2006, 20:17
It's D.
"them" in C is ambiguous.

Also note the use of "making".

Similar SC:

During the 1980â€™s approximately \$50 billion in private investment capital is estimated to have left Mexico and added to the strain on the countryâ€™s debt-ridden economy.
(A) During the 1980â€™s approximately \$50 billion in private investment capital is estimated to have left Mexico and added
(B) During the 1980â€™s it is estimated that approximately \$50 billion in private investment capital left Mexico and added
(C) It is estimated that there was approximately \$50 billion in private investment capital that left Mexico during the 1980â€™s and added
(D) It is estimated that during the 1980â€™s approximately \$50 billion in private investment capital left Mexico, adding
(E) Approximately \$50 billion in private investment capital is estimated as having left Mexico during the 1980â€™s, adding

D is the OA.

Regards,
Brajesh

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12 Jul 2006, 21:11
D. thus making it easier for the ant

wiping.. making should be same tense.

them is ambiguous antecedent. Shoud refer directly to ants.

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12 Jul 2006, 21:32
Agree with D and good explainations above.
'them' in C is ambiguous while E is passive voice.

Many entomologists say that campaigns to eradicate the fire ant in the United States have failed because the chemicals that were used were effective only in wiping out the ant's natural enemiest, thus making it easier for the ant to spread.

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12 Jul 2006, 22:45
D

'them' in C is not only ambiguous but also incorrect to use for "ant" which is used as a singular in the whole sentence.

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12 Jul 2006, 23:42
[quote="b14kumar"]It's D.
"them" in C is ambiguous.

Also note the use of "making".

Similar SC:

During the 1980â€™s approximately \$50 billion in private investment capital is estimated to have left Mexico and added to the strain on the countryâ€™s debt-ridden economy.
(A) During the 1980â€™s approximately \$50 billion in private investment capital is estimated to have left Mexico and added
(B) During the 1980â€™s it is estimated that approximately \$50 billion in private investment capital left Mexico and added
(C) It is estimated that there was approximately \$50 billion in private investment capital that left Mexico during the 1980â€™s and added
(D) It is estimated that during the 1980â€™s approximately \$50 billion in private investment capital [b]left [/b]Mexico, [b]adding[/b]
(E) Approximately \$50 billion in private investment capital is estimated as having left Mexico during the 1980â€™s, adding

D is the OA.

Regards,
Brajesh[/quote]

Thanks Brajesh. I liked your way of explaining with another example.

It is D.
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13 Jul 2006, 04:21
ps_dahiya wrote:
D

Its between C and D. "them" in C is ambiguous and may refer to ants or their enemies.

Agreed it is D, but can you expalin how "them" refers to ant or its enemy, both are singular inthe sentence. I think it refers to the chemicals....

Also, I have one question here ........ can it/them refer to anything singular/plural respectively in a sentence or only something that fits the buck.....

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18 Apr 2011, 01:14
To what is "it" referring to in D?
Thanks.
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20 Apr 2011, 09:28
+1 D

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21 Apr 2011, 03:17
metallicafan wrote:
+1 D

That sounds weird for me..

could you clarify?
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21 Apr 2011, 04:11
gezus wrote:
Many entomologists say that campaigns to eradicate the fire ant in the United States have failed because the chemicals that were used were effective only in wiping out the ant's natural enemiest, which made it easier for them to spread.

A. which made it easier for them
B. which makes it easier for it
C. thus making it easier for them
D. thus making it easier for the ant
E. thereby, it was made easier for the ant

I think its D. as we are taking here about Ant not Ants for A and C are out. and B is also out because i think "it" is not used for living things. and for E, "was made" makes it incorrect.

I don't have correct grammatical explanation for this as I am a novice in this at the moment and please correct me if I am wrong.
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18 Dec 2012, 14:38
Many entomologists say that campaigns to eradicate the fire ant in the United States have
failed because the chemicals that were used were effective only in wiping out the ant's
A. which made it easier for them
B. which makes it easier for it
C. thus making it easier for them
D. thus making it easier for the ant
E. thereby, it was made easier for the ant

First buzz word: which -> it's used incorrectly. Which is used to refer to the noun before it or to refer to noun in noun + preposition format. A and B are gone.
E is awkward at best- made easier for ant as if chemicals were spread to help ants. That's incorrect. Gone.
In C them is ambiguous- although it sounds ridiculous but the only plural noun is entomologists which doesn't lend any sense.

D wins as it properly replaces the pronoun with a noun.

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04 Nov 2014, 22:10
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02 Jun 2015, 08:19
Can somebody change the source of this question? This is from GMATPrep Mock 2.
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16 Jul 2016, 17:21
Many entomologists say that campaigns to eradicate the fire ant in the United States have failed because the chemicals that were used were effective only in wiping out the ant's natural enemies, which made it easier for them to spread.

A. which made it easier for them
pronoun issue

B. which makes it easier for it
pronoun issue

C. thus making it easier for them
pronoun issue

D. thus making it easier for the ant
correct choice

E. thereby, it was made easier for the ant
wordy

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16 Jul 2016, 19:37
D made it clear that them refers to the ant...

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Re: Many entomologists say that campaigns to eradicate the fire   [#permalink] 16 Jul 2016, 19:37

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