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by jainrahul1985 » Sat Dec 17, 2011 6:22 am
The spectacular disintegration of a comet last year in full view of ground- and space-based telescopes provided new insights into how comets form and may thus force a rethinking of the role of comets in the delivery of organic compounds to the evolving Earth.

(A) The spectacular disintegration of a comet last year in full view of ground- and space-based telescopes provided new insights into how comets form and may thus force
(B) The spectacular disintegration of a comet last year in full view of ground- as well as space-based telescopes, provided new insights into how comets form and thus possibly forcing
(C) When a comet's spectacular disintegration occurred in full view of ground- and space-based telescopes last year, it provided new insights into how comets form and thus may possibly force
(D) Last year, in full view of ground- and space-based telescopes, a comet's spectacular disintegration provided new insights into how comets form and thus possibly forcing
(E) Last year, in full view of ground- as well as space-based telescopes, the spectacular disintegration of a comet has provided new insights into how comets form and may thus force

OA A
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by GmatVerbal » Sat Dec 17, 2011 6:52 am
I think this is one of those logical prediction questions.

A - definitely sound forceful than the rest of the choices.
B - Subject( The spectacular disintegration..) and Verb (provided )are incorrectly separated by comma
forcing --> changes the meaning..
C - The sentence lost the force and more passive
D - possibly forcing is changing the meaning; The spectacular disintegration of a comet is better than comet's spectacular disintegration;

E - Last Year & has provided -- verb tense issue.
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by GMATGuruNY » Sun Dec 18, 2011 5:21 am
jainrahul1985 wrote:The spectacular disintegration of a comet last year in full view of ground- and space-based telescopes provided new insights into how comets form and may thus force a rethinking of the role of comets in the delivery of organic compounds to the evolving Earth.

(A) The spectacular disintegration of a comet last year in full view of ground- and space-based telescopes provided new insights into how comets form and may thus force
(B) The spectacular disintegration of a comet last year in full view of ground- as well as space-based telescopes, provided new insights into how comets form and thus possibly forcing
(C) When a comet's spectacular disintegration occurred in full view of ground- and space-based telescopes last year, it provided new insights into how comets form and thus may possibly force
(D) Last year, in full view of ground- and space-based telescopes, a comet's spectacular disintegration provided new insights into how comets form and thus possibly forcing
(E) Last year, in full view of ground- as well as space-based telescopes, the spectacular disintegration of a comet has provided new insights into how comets form and may thus force

OA A
In B and D, provided and forcing are not parallel. Eliminate B and D.

In C, may and possibly are redundant. Eliminate C.

In E, has provided (present perfect) cannot be used to indicate an action performed last year. Eliminate E.

The correct answer is A.
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by nitingoel » Sun Dec 18, 2011 7:48 am
GMATGuruNY wrote:
jainrahul1985 wrote:The spectacular disintegration of a comet last year in full view of ground- and space-based telescopes provided new insights into how comets form and may thus force a rethinking of the role of comets in the delivery of organic compounds to the evolving Earth.

(A) The spectacular disintegration of a comet last year in full view of ground- and space-based telescopes provided new insights into how comets form and may thus force
(B) The spectacular disintegration of a comet last year in full view of ground- as well as space-based telescopes, provided new insights into how comets form and thus possibly forcing
(C) When a comet's spectacular disintegration occurred in full view of ground- and space-based telescopes last year, it provided new insights into how comets form and thus may possibly force
(D) Last year, in full view of ground- and space-based telescopes, a comet's spectacular disintegration provided new insights into how comets form and thus possibly forcing
(E) Last year, in full view of ground- as well as space-based telescopes, the spectacular disintegration of a comet has provided new insights into how comets form and may thus force

OA A
In B and D, provided and forcing are not parallel. Eliminate B and D.

In C, may and possibly are redundant. Eliminate C.

In E, has provided (present perfect) cannot be used to indicate an action performed last year. Eliminate E.

The correct answer is A.
Thanks GuruNY for the explanation. I have another question here. In the bullet (C) and (D), Is the usage "Comet's spectacular disintegration" Correct.
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