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Scientists believe that unlike the males of most species of

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Senior Manager
Joined: 12 Oct 2008
Posts: 491
Scientists believe that unlike the males of most species of [#permalink]

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06 Feb 2009, 13:35
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Scientists believe that unlike the males of most species of moth, the male whistling moths of Nambung, Australia, call female moths to them by the use of acoustical signals, but not olfactory ones, and they attract their mates during the day, rather than at night.

(A) by the use of acoustical signals, but not olfactory ones, and they attract
(B) by the use of acoustical signals instead of using olfactory ones, and attracting
(C) by using acoustical signals, not using olfactory ones, and by attracting
(D) using acoustical signals, rather than olfactory ones, and attract
(E) using acoustical signals, but not olfactory ones, and attracting

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Joined: 07 Nov 2007
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06 Feb 2009, 13:45
Scientists believe that unlike the males of most species of moth, the male whistling moths of Nambung, Australia, call female moths to them by the use of acoustical signals, but not olfactory ones, and they attract their mates during the day, rather than at night.

(A) by the use of acoustical signals, but not olfactory ones, and they attract
(B) by the use of acoustical signals instead of using olfactory ones, and attracting
(C) by using acoustical signals, not using olfactory ones, and by attracting
(D) using acoustical signals, rather than olfactory ones, and attract
(E) using acoustical signals, but not olfactory ones, and attracting

D for perfect parallelism

males call females to them <using X rather than Y> and attract their mates <during X rather than Y>.
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Joined: 21 Apr 2008
Posts: 457
Schools: Kellogg, MIT, Michigan, Berkeley, Marshall, Mellon

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06 Feb 2009, 13:57
Hi mates,

IMO D

Because of //ism

@ x2suresh, I think you mean D too, right?

Cheers

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Re: SC: moth   [#permalink] 06 Feb 2009, 13:57
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