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# Neuroscientists, having amassed a wealth of knowledge over the past tw

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Manager
Joined: 09 May 2009
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Neuroscientists, having amassed a wealth of knowledge over the past tw  [#permalink]

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16 Dec 2009, 03:29
1
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Neuroscientists, having amassed a wealth of knowledge over the past twenty years about the brain and its development from birth to adulthood, are now drawing solid conclusions about how the human brain grows and how babies acquire language.
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Joined: 04 Jan 2008
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Re: Neuroscientists, having amassed a wealth of knowledge over the past tw  [#permalink]

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16 Dec 2009, 07:00
tough one

"knowledge about the brain...." is CORRECT
"knowledge over the past 20 yrs about the brain" is WRONG

BCE remain
at the end there should be are
hence BC

IMO B
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Joined: 02 Aug 2009
Posts: 7415
Re: Neuroscientists, having amassed a wealth of knowledge over the past tw  [#permalink]

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16 Dec 2009, 07:13
A..
it was the amassing of knowledge done in last 20 yrs so it should be close to the amassing of knowledge....
rest all give us run -on sentences or awkward constr..
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Re: Neuroscientists, having amassed a wealth of knowledge over the past tw  [#permalink]

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16 Dec 2009, 09:05
1
I think its, A ; amassing wealth of knowledge is over 20 years and its not the development of the brain that took 20 years

I also found another thread were this question has already been discussed

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Re: Neuroscientists, having amassed a wealth of knowledge over the past tw  [#permalink]

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16 Dec 2009, 10:40
Only A defines the subject correcty
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Re: Neuroscientists, having amassed a wealth of knowledge over the past tw  [#permalink]

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17 Jan 2019, 05:54
xcusemeplz2009 wrote:
gmat PREP SEE ATTACHMENT

OPEN DISCUSSION OF THIS QUESTION IS HERE: https://gmatclub.com/forum/neuroscienti ... 96386.html
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Re: Neuroscientists, having amassed a wealth of knowledge over the past tw   [#permalink] 17 Jan 2019, 05:54
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