SC - U.S. nuclear attack submarines prowl : GMAT Sentence Correction (SC)
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# SC - U.S. nuclear attack submarines prowl

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30 Mar 2010, 11:52
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Please explain why other options are wrong

142. As U.S. nuclear attack submarines prowl their familiar haunts deep within the oceans of the world these days, they increasingly are engaged in missions far different from the tasks for which they were built and for which their crews were trained over the last forty years.

(A) they increasingly are engaged in missions far different from the tasks for which they were built
(B) the missions they increasingly engage in are far different than the tasks they were built for
(C) they engage increasingly in missions that differ significantly from the tasks they were built for
(D) the missions they engage in are increasingly different than the tasks for which they were built
(E) they increasingly engage in missions far different than the tasks for which they were built
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Re: SC - U.S. nuclear attack submarines prowl [#permalink]

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30 Mar 2010, 12:28
I think D.
We can eliminate B and C, because they are not consistent with the last part of the sentence; for which their crews were trained. We need for which they were built and for which their crews were trained. As for A and E, I don't like "they"
Let me know what's the right answer.
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10 Dec 2010, 00:43
I think it's E.

Parallelism - For which... and for which

The second clause has to begin with submarines or a pronoun that refers to them.

However I had difficulty because of the idiomatic expressions different from vs. different than.

Considered C, but ENGAGE INCREASINGLY doesn't sound right
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10 Dec 2010, 02:47
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‘Far different than’ is not the right idiom. ‘Far different from’ is the right one. Let us drop B D and E; between A and C, C has a subtle problem of llism.

In C, - (significantly ‘from the tasks’ they were built for and ‘for which their crews’) – The underlined -“from the tasks” is not parallel to ‘the underlined for the tasks’

A therefore is the choice
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Re: SC - U.S. nuclear attack submarines prowl [#permalink]

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10 Dec 2010, 08:43
Poma777 wrote:
I think D.
We can eliminate B and C, because they are not consistent with the last part of the sentence; for which their crews were trained. We need for which they were built and for which their crews were trained. As for A and E, I don't like "they"
Let me know what's the right answer.

Agree.

I eliminated A C E b/c of 'they'.

Between B and D, I chose D for parallelism issues
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10 Dec 2010, 09:21
I think C looks grammatically correct among the others even though they have changed the last part. I dont know if thats considered a factor while eliminating choices..
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Re: SC - U.S. nuclear attack submarines prowl [#permalink]

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10 Dec 2010, 10:36
D...

The choices starting with "they" the pronoun does not have a clear antecedant.
Between B and D..in B, read the sentence, it states, they are increasingly engaged in..blah blah...
Vs. in D clearly states they are engaged in .......increasingly.

(B) the missions they increasingly engage in are far different than the tasks they were built for

(D) the missions they engage in are increasingly different than the tasks for which they were built
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13 Dec 2010, 12:39
C.
Cannot be D because the clause "as submarines" ought to be followed by a pronoun that directly refers to the submarines.
Cannot be E because of "different...than"
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13 Dec 2010, 18:51
I selected D. Calala22 I see your point but not sure it applies here as As submarines directly links to the missions they engage in - correctly modifies. Answr D is also succinct compared to C. I'd like to know OA as well.
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20 Dec 2010, 07:17
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Re: SC - U.S. nuclear attack submarines prowl   [#permalink] 20 Dec 2010, 07:17
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