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Some paleontologists claim that the discovery of what appear to be fea

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Some paleontologists claim that the discovery of what appear to be fea  [#permalink]

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New post Updated on: 24 Dec 2018, 11:20
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A
B
C
D
E

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Question Stats:

85% (01:21) correct 15% (01:30) wrong based on 106 sessions

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Some paleontologists claim that the discovery of what appear to be feathers in the fossil of an Archosaur could force a revision of current theories on the phylogeny of Archosaurs, alter conceptions of dinosaur skin surfaces, and require scholars to credit birds with a far earlier origin than previously thought.


A. require scholars to credit birds with a far earlier origin than previously thought
B. scholars may be required to credit birds with a far earlier origin than previously thought
C. require a crediting by scholars of birds with a far earlier origin than previously thought
D. , compared to what was previously thought, require scholars to credit birds with a far earlier origin
E. crediting birds with a far earlier origin than scholars had previously thought

Source: McGraw Hills GMAT
Difficulty Level: 500

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Originally posted by SajjadAhmad on 05 Jan 2017, 21:55.
Last edited by SajjadAhmad on 24 Dec 2018, 11:20, edited 2 times in total.
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Re: Some paleontologists claim that the discovery of what appear to be fea  [#permalink]

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New post 05 Jan 2017, 22:37
1
A. require scholars to credit birds with a far earlier origin than previously thought - Correct. could force a revision and could require are in parallel.

B. scholars may be required to credit birds with a far earlier origin than previously thought - Incorrect. Parallelism error and passive.

C. require a crediting by scholars of birds with a far earlier origin than previously thought - Incorrect. 'require a crediting' is awkward.

D. , compared to what was previously thought, require scholars to credit birds with a far earlier origin - Incorrect. Very wordy.

E. crediting birds with a far earlier origin than scholars had previously thought - Incorrect. Parallelism error.

Answer: A
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Re: Some paleontologists claim that the discovery of what appear to be fea  [#permalink]

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New post 23 Jan 2018, 02:21
I thought the word "require" in answer A should be "requires" because it refers to the discovery (singular).
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Re: Some paleontologists claim that the discovery of what appear to be fea  [#permalink]

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New post 23 Jan 2018, 07:50
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tanzzt wrote:
I thought the word "require" in answer A should be "requires" because it refers to the discovery (singular).


The verb "require" is parallel to "force" and "alter". The base construction is as follows:

The discovery could force, alter and require....

The auxiliary verb "could" covers all the 3 main verbs "force", "alter" and "require". Hence "requires" would be wrong.
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Re: Some paleontologists claim that the discovery of what appear to be fea  [#permalink]

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New post 23 Dec 2018, 07:52
Official Explanation:

ANSWER:A A is grammatically correct and idiomatic, so it is the best choice. To maintain parallel structures with the other clauses in this sentence with an understood connection to the verb “could,” the sentence should read “could force . . . , [could] alter . . . , and [could] require . . . ”; thus, A and C are the only choices. The construction “require a crediting by scholars of birds” in C is awkward and confusing, so A is the best answer.
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Re: Some paleontologists claim that the discovery of what appear to be fea   [#permalink] 23 Dec 2018, 07:52
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Some paleontologists claim that the discovery of what appear to be fea

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