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During an ice age, the buildup of ice at the poles and the

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During an ice age, the buildup of ice at the poles and the [#permalink] New post 29 Dec 2012, 21:26
00:00
A
B
C
D
E

Difficulty:

  35% (medium)

Question Stats:

42% (01:50) correct 57% (01:03) wrong based on 63 sessions
During an ice age, the buildup of ice at the poles and the drop in water levels near the equator speed up the Earth’s rotation, like a spinning figure skater whose speed increases when her arms are drawn in.

(A) like a spinning figure skater whose speed increases when her arms are drawn in
(B) like the increased speed of a figure skater when her arms are drawn in
(C) like a figure skater who increases speed while spinning with her arms drawn in
(D) just as a spinning figure skater who increases speed by drawing in her arms
(E) just as a spinning figure skater increases speed by drawing in her arms
[Reveal] Spoiler: OA

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Re: During an ice age, the buildup of ice at the poles [#permalink] New post 29 Dec 2012, 22:04
Can anyone explain me why D it's wrong please? thanks :)
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Re: During an ice age, the buildup of ice at the poles [#permalink] New post 29 Dec 2012, 22:29
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This problem tests the use of comparison markers Like Vs As. In this SC problem the non-underlined portion has a clause, thus the answer choice requires the conjunction (comparison marker) "AS". "Like" is used to compare two nouns or noun phrases.

The expected use of AS in this SC problem is "X does/did something, just as Y does/did something"
e.g. Mary aced her LSAT exam, just as John cracked his GMAT test.

Here is the difference between D & E
(D) just as a spinning figure skater who increases speed by drawing in her arms
This choice only contains the noun phrase with "spinning figure skater" with modifier "who increases speed by drawing in her arms". Hence, the noun "spinning figure" is being compared with non-underlined clause "the buildup of ice at the poles and the drop in water levels near the equator speed up the Earth’s rotation". Hence its the improper use of comparison marker.
(E) just as a spinning figure skater increases speed by drawing in her arms
Correct. This choice correctly compares two clauses
- the buildup of ice at the poles and the drop in water levels near the equator speed up the Earth’s rotation
- just as a spinning figure skater increases speed by drawing in her arms
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Re: During an ice age, the buildup of ice at the poles   [#permalink] 29 Dec 2012, 22:29
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