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Although dark matter was first postulated in 1932 to account for the o

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Although dark matter was first postulated in 1932 to account for the o  [#permalink]

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New post 13 Jan 2019, 11:10
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Although dark matter was first postulated in 1932 to account for the orbital velocities of stars in the Milky Way, it did not drive the discovery of more information about it to be done by astrophysicists until it was the 1990s.

A) it did not drive the discovery of more information about it to be done by astrophysicists until it was the 1990s
B) it was not until the 1990s that astrophysicists were driven to discover more information about it
C) it was not the drive of astrophysicists’ discovery of more information about it until the 1990s
D) until the 1990s astrophysicists have not been driven to discover more information about it
E) not until the 1990s was it that it has driven astrophysicists to discover more information about it
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Re: Although dark matter was first postulated in 1932 to account for the o  [#permalink]

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New post 14 Jan 2019, 08:38
pineapple123456 wrote:
Although dark matter was first postulated in 1932 to account for the orbital velocities of stars in the Milky Way, it did not drive the discovery of more information about it to be done by astrophysicists until it was the 1990s.

A) it did not drive the discovery of more information about it to be done by astrophysicists until it was the 1990s
B) it was not until the 1990s that astrophysicists were driven to discover more information about it
C) it was not the drive of astrophysicists’ discovery of more information about it until the 1990s
D) until the 1990s astrophysicists have not been driven to discover more information about it
E) not until the 1990s was it that it has driven astrophysicists to discover more information about it


Correct Answer must be (B) for the highlighted errors in other options...

Further (B) maintains correct pronoun usage...

Although dark matter was first postulated in 1932 to account for the orbital velocities of stars in the Milky Way, it was not until the 1990s that astrophysicists were driven to discover more information about it.
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Re: Although dark matter was first postulated in 1932 to account for the o  [#permalink]

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New post 26 Jan 2019, 16:59
Comparing the OA with option C where it says it was not the drive, which refers to the dark matter. Isn't the correct option supposed to refer to dark matter. Also B says that physicists were driven which is passive. Passive is supposed to be less prefered in GMAT then why is this option better than C?
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Re: Although dark matter was first postulated in 1932 to account for the o  [#permalink]

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New post 27 Jan 2019, 19:34
is not there pronoun ambiguity in use of 'it'
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Re: Although dark matter was first postulated in 1932 to account for the o   [#permalink] 27 Jan 2019, 19:34
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Although dark matter was first postulated in 1932 to account for the o

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