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GMATPRep - IDIOM + subject verb

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by GMATMadeEasy » Mon May 16, 2011 11:29 am
In human hearing, subtle differences in how the two ears hear a given sound help the listener determine the qualities of that sound.

(A) in how the two ears hear a given sound help the listener determine
(B) in the two ears hearing a given sound help the listener in determining
(C) in how a sound is heard by the two ears helps the listener determine
(D) between how the two ears hear a given sound helps the listener in determining
(E) between how a sound is heard by the two ears help the listener in determining

OA is A

Why E is incorrect?
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by skbjunior » Mon May 16, 2011 12:19 pm
E is wrong because it incorrectly uses the idiom between X and Y. There is no Y part in choice E.
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by gsinghal » Mon May 16, 2011 12:26 pm
IMO A is correct...

E is incorrect because of using passive voice...sound is heard by the two ears....

in A it says...two ears hear a given sound...it is in active voice...thats y eliminate E...

any other reasoning is welcomed....

Thanks
Gautam
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by champmag » Tue May 17, 2011 2:45 am
+1 for A

C is passive in construct.

D and E use the idiom between X and Y incorrectly
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by sameerballani » Tue May 17, 2011 7:46 am
GMATMadeEasy wrote:In human hearing, subtle differences in how the two ears hear a given sound help the listener determine the qualities of that sound.
(A) in how the two ears hear a given sound help the listener determine
(B) in the two ears hearing a given sound help the listener in determining
(C) in how a sound is heard by the two ears helps the listener determine
(D) between how the two ears hear a given sound helps the listener in determining
(E) between how a sound is heard by the two ears help the listener in determining
OA is A
Why E is incorrect?
Going through options:
B: correct use of differences in/ Hearing is wrong. As it shows this thing is currently happening. however the sentence above seems to be general statement so we need to choose the simple present ie. hear
C: heard - past tense
D,E- use of Differences between is wrong.
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