Hydrocarbons, with which fruit flies perfume themselves in : GMAT Sentence Correction (SC)
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# Hydrocarbons, with which fruit flies perfume themselves in

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Hydrocarbons, with which fruit flies perfume themselves in [#permalink]

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16 Mar 2008, 12:27
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Hydrocarbons, with which fruit flies perfume themselves in species-specific blends, are known to be important in courtship, and apparently this assists flies that taste the hydrocarbons on prospective mates to distinguish their own species from that of others.

A. and apparently this assists flies that taste the hydrocarbons on prospective mates to distinguish their own species from that of

B. and apparently this assists flies when they taste the hydrocarbons on prospective mates in distinguishing their own species from those of

C. which apparently assists flies that tastes the hydrocarbons on prospective mates in being able to distinguish their own species from

D. apparently assisting flies to taste the hydrocarbons on prospective mates to distinguish their own species from those of

E. apparently assisting flies that taste the hydrocarbons on prospective mates in distinguishing their own species from
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16 Mar 2008, 13:43
vscid wrote:
Hydrocarbons, with which fruit flies perfume themselves in species-specific blends, are known to be important in courtship, and apparently this assists flies that taste the hydrocarbons on prospective mates to distinguish their own species from that of others.

A. and apparently this assists flies that taste the hydrocarbons on prospective mates to distinguish their own species from that of

B. and apparently this assists flies when they taste the hydrocarbons on prospective mates in distinguishing their own species from those of

C. which apparently assists flies that tastes the hydrocarbons on prospective mates in being able to distinguish their own species from

D. apparently assisting flies to taste the hydrocarbons on prospective mates to distinguish their own species from those of

E. apparently assisting flies that taste the hydrocarbons on prospective mates in distinguishing their own species from

D. take D over A or B.

A. has "and" and "that", both are wrong. Also A and B has "this", which do not have correct antecedent. therefore, i take for the lack of the above problems.
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17 Mar 2008, 15:22
vscid wrote:
Hydrocarbons, with which fruit flies perfume themselves in species-specific blends, are known to be important in courtship, and apparently this assists flies that taste the hydrocarbons on prospective mates to distinguish their own species from that of others.

A. and apparently this assists flies that taste the hydrocarbons on prospective mates to distinguish their own species from that of

B. and apparently this assists flies when they taste the hydrocarbons on prospective mates in distinguishing their own species from those of

C. which apparently assists flies that tastes the hydrocarbons on prospective mates in being able to distinguish their own species from

D. apparently assisting flies to taste the hydrocarbons on prospective mates to distinguish their own species from those of

E. apparently assisting flies that taste the hydrocarbons on prospective mates in distinguishing their own species from

I believe it's E.

"and" is wrong in both A and B.

"which" modifies courtship. So C is wrong

D - says that the hydrocarbons assist to taste. This is not right. The hydrocarbons don't help to taste. So D is wrong.

E is right answer. It correctly modifies "hydrocarbons" by using "assisting" and keeps the right meaning of the sentence.
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17 Mar 2008, 21:34
I was in for D but after reading through saw the answer in E

also in D ->to distinguish their own species from those of do not sound right

what do you guys think?
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18 Mar 2008, 03:31
I first went with D but I guess its E..OA Please
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18 Mar 2008, 05:25
I go for E. I would definitely chose E over D. From those of is incorrect here. C using "being" and starts with which, which is a noun modifier and I believe must touch the noun it modifies, which it does not. Correct me if Im wrong.

A and B, "apparently this assists" , seems ambiguous and ungrammatical.
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18 Mar 2008, 07:19
vscid wrote:
Hydrocarbons, with which fruit flies perfume themselves in species-specific blends, are known to be important in courtship, and apparently this assists flies that taste the hydrocarbons on prospective mates to distinguish their own species from that of others.

A. and apparently this assists flies that taste the hydrocarbons on prospective mates to distinguish their own species from that of

B. and apparently this assists flies when they taste the hydrocarbons on prospective mates in distinguishing their own species from those of

C. which apparently assists flies that tastes the hydrocarbons on prospective mates in being able to distinguish their own species from

D. apparently assisting flies to taste the hydrocarbons on prospective mates to distinguish their own species from those of

E. apparently assisting flies that taste the hydrocarbons on prospective mates in distinguishing their own species from

Between D and E - just to see why D is wrong:

apparently assisting flies to distinguish their own species from those of others ---> Those makes the sentence weird

apparently assisting flies in distinguishing their own species from others --> this is perfect
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18 Mar 2008, 10:09
can someone explain why the use of "and" is incorrect?
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18 Mar 2008, 14:54
sanjay_gmat wrote:
vscid wrote:
Hydrocarbons, with which fruit flies perfume themselves in species-specific blends, are known to be important in courtship, and apparently this assists flies that taste the hydrocarbons on prospective mates to distinguish their own species from that of others.

A. and apparently this assists flies that taste the hydrocarbons on prospective mates to distinguish their own species from that of

B. and apparently this assists flies when they taste the hydrocarbons on prospective mates in distinguishing their own species from those of

C. which apparently assists flies that tastes the hydrocarbons on prospective mates in being able to distinguish their own species from

D. apparently assisting flies to taste the hydrocarbons on prospective mates to distinguish their own species from those of

E. apparently assisting flies that taste the hydrocarbons on prospective mates in distinguishing their own species from

I believe it's E.

"and" is wrong in both A and B.

"which" modifies courtship. So C is wrong

D - says that the hydrocarbons assist to taste. This is not right. The hydrocarbons don't help to taste. So D is wrong.

E is right answer. It correctly modifies "hydrocarbons" by using "assisting" and keeps the right meaning of the sentence.

That explanation is absolutely correct.
OA is E.
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Re: SC-FLIES   [#permalink] 18 Mar 2008, 14:54
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