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# Marine biologists believe that the sperm whale’s head, from which hunt

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Math Expert
Joined: 02 Sep 2009
Posts: 58320
Marine biologists believe that the sperm whale’s head, from which hunt  [#permalink]

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11 Oct 2018, 03:52
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Difficulty:

35% (medium)

Question Stats:

62% (01:09) correct 38% (01:21) wrong based on 176 sessions

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Marine biologists believe that the sperm whale’s head, from which hunters are thought to have first extracted oil, serves as an acoustic resonator for whale songs.

(A) are thought to have first extracted

(B) were thought first to extract

(C) were thought at first to extract

(D) are thought of as first extracting

(E) were thought to first extract

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Math Expert
Joined: 02 Sep 2009
Posts: 58320
Re: Marine biologists believe that the sperm whale’s head, from which hunt  [#permalink]

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24 Oct 2018, 00:59
Bunuel wrote:
Marine biologists believe that the sperm whale’s head, from which hunters are thought to have first extracted oil, serves as an acoustic resonator for whale songs.

(A) are thought to have first extracted

(B) were thought first to extract

(C) were thought at first to extract

(D) are thought of as first extracting

(E) were thought to first extract

MANHATTAN REVIEW EXPLANATION:

Do you use the past or present tense here? It is thought now that hunters extracted oil. Therefore you must use the present tense to describe that thinking. Eliminate B, C and E. Choice D is incorrect because it places the things the hunters did in the present tense, whereas what they did is a past action. Choice A is the correct answer.
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Intern
Joined: 25 May 2018
Posts: 23
Re: Marine biologists believe that the sperm whale’s head, from which hunt  [#permalink]

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24 Oct 2018, 09:51
Present tense will be used since we are thinking of an action "NOW" which happened in the past
A suits best
Intern
Joined: 12 Sep 2018
Posts: 5
Re: Marine biologists believe that the sperm whale’s head, from which hunt  [#permalink]

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27 Oct 2018, 04:51
Can anyone explain why D is incorrect ?I am not getting the concept .
Re: Marine biologists believe that the sperm whale’s head, from which hunt   [#permalink] 27 Oct 2018, 04:51
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