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

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pineapple123456
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Although dark matter was first postulated in 1932 to account for the o [#permalink] 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] 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] 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] 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] New post   11 Sep 2022, 22:36
A) it did not drive the discovery of more information about it to be done by astrophysicists until it was the 1990s

Dark Matter did not drive.... about dark matter... by A, until "it" (placeholder) was 1990s. Why do we need so many its to represent dark matter? A GMAT sentence correction can convey the meaning in more precise way.

B) it was not until the 1990s that astrophysicists were driven to discover more information about it

The first it is a placeholder, the 2nd one refers back to dark matter with logical approach. Keep.

C) it was not the drive of astrophysicists’ discovery of more information about it until the 1990s

"it" this sentence is almost like a fragment. the dark matter was not the drive of astrophysicists'? How can that be...? Dark matter was not the drive of A's discovery? Horrible construction.

D) until the 1990s astrophysicists have not been driven to discover more information about it

Have not been driven to discover, The A's lack of drive was in the past, it does not continue nor does it have any effect till today. If it said, was not driven to discover, then it would have made more sense. But we don't make the sentences here.

E) not until the 1990s was it that it has driven astrophysicists to discover more information about it

it that it, wow. Seriously? I can't even wrap my head around to understanding this but I'll try. First IT is a placeholder, the second one dark matter...? and then we have another it at the end. We went to passive voice all of a sudden... Why? There's no need.
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Re: Although dark matter was first postulated in 1932 to account for the o [#permalink] New post   13 Oct 2023, 06:44
Hello from the GMAT Club VerbalBot!

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Re: Although dark matter was first postulated in 1932 to account for the o [#permalink]
13 Oct 2023, 06:44
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