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# verbal review question number 288

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Senior Manager
Joined: 15 Feb 2017
Posts: 274
verbal review question number 288  [#permalink]

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25 Aug 2018, 23:59
1
00:00

Difficulty:

35% (medium)

Question Stats:

75% (00:56) correct 25% (01:31) wrong based on 8 sessions

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Sixty-five million years ago, according to some scientists, an asteroid bigger than Mount Everest slammed into North America, which, causing plant and animal extinctions, marks the end of the geologic era known as the Cretaceous Period.
A. which, causing plant and animal extinctions, marks
B. which caused the plant and animal extinctions and marks
C. and causing plant and animal extinctions that mark
D. an event that caused plant and animal extinctions, which marks
E. an event that caused the plant and animal extinctions that mark

OA is E.why does the verb mark is plural while the subject an event is singular?Somebody please explain
Regards

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Affiliations: GMATClub
Joined: 22 May 2017
Posts: 2520
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WE: Engineering (Computer Software)
Re: verbal review question number 288  [#permalink]

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26 Aug 2018, 00:31
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Joined: 02 Sep 2009
Posts: 55150
verbal review question number 288  [#permalink]

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26 Aug 2018, 02:35
sonusaini1 wrote:
Sixty-five million years ago, according to some scientists, an asteroid bigger than Mount Everest slammed into North America, which, causing plant and animal extinctions, marks the end of the geologic era known as the Cretaceous Period.
A. which, causing plant and animal extinctions, marks
B. which caused the plant and animal extinctions and marks
C. and causing plant and animal extinctions that mark
D. an event that caused plant and animal extinctions, which marks
E. an event that caused the plant and animal extinctions that mark

OA is E.why does the verb mark is plural while the subject an event is singular?Somebody please explain
Regards

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verbal review question number 288   [#permalink] 26 Aug 2018, 02:35
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