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Mount Everest

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Mount Everest

by jain2016 » Wed Mar 02, 2016 8:36 am
Sixty-five million year 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) and event that caused plant and animal extinctions, which marks

E) an event that caused the plant and animal extinctions that mark

OAE

Hi Experts ,

Please explain OptionC. Please give me reason to eliminate.

Many thanks in advance.

SJ
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by fabiocafarelli » Wed Mar 02, 2016 8:46 am
You could eliminate C because the structure should be SLAMMED INTO ... AND CAUSED. The asteroid is the subject of both verbs, and there is no reason for the second of them to assume the form of a present participle. To achieve a parallel structure and maintain the coherency of the sentence, both verbs, and not just the first, should be in the Past Simple. (And there would be no need for the comma before AND.)

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by DavidG@VeritasPrep » Wed Mar 02, 2016 8:51 am
jain2016 wrote:Sixty-five million year 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) and event that caused plant and animal extinctions, which marks

E) an event that caused the plant and animal extinctions that mark

OAE

Hi Experts ,

Please explain OptionC. Please give me reason to eliminate.

Many thanks in advance.

SJ
Typically, when you see the construction " ... and Y-ing," it will be preceded by X-ing. (Or another participle.) In C, there's nothing for "and causing" to be parallel to. An asteroid slammed into North America... and causing..
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by jain2016 » Thu Mar 03, 2016 12:11 am
Typically, when you see the construction " ... and Y-ing," it will be preceded by X-ing. (Or another participle.) In C, there's nothing for "and causing" to be parallel to. An asteroid slammed into North America... and causing..
[/quote]

Hi David ,

Thanks for your reply.

Can you please give me some examples of the above rule.

Many thanks in advance.

SJ
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by DavidG@VeritasPrep » Thu Mar 03, 2016 6:49 am
jain2016 wrote: Typically, when you see the construction " ... and Y-ing," it will be preceded by X-ing. (Or another participle.) In C, there's nothing for "and causing" to be parallel to. An asteroid slammed into North America... and causing..

Hi David ,

Thanks for your reply.

Can you please give me some examples of the above rule.

Many thanks in advance.

SJ
Sure. Check out these OA's: (Parallel participles in red or blue.)

The airline company, following through on recent warnings that it might start reducing service, announced that it was eliminating jet service to nine cities, closing some unneeded operations, and grounding 22 planes.

The hognose snake puts on an impressive bluff, hissing and rearing back, broadening the flesh behind its head the way a cobra does and feigning repeated strikes, but it has no dangerous fangs and no venom, and eventually, if its pursuer is not cowed by the performance, will fall over and play dead.
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by jain2016 » Thu Mar 03, 2016 8:11 am
Sure. Check out these OA's: (Parallel participles in red or blue.)

The airline company, following through on recent warnings that it might start reducing service, announced that it was eliminating jet service to nine cities, closing some unneeded operations, and grounding 22 planes.

The hognose snake puts on an impressive bluff, hissing and rearing back, broadening the flesh behind its head the way a cobra does and feigning repeated strikes, but it has no dangerous fangs and no venom, and eventually, if its pursuer is not cowed by the performance, will fall over and play dead.
[/quote]

Hi David ,

Thank you so much for the examples.

Is this rule always true in GMAT?

Please advise.

Thanks,

SJ
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