SC: 1000 Series, Question 10 - Explanation Sought : GMAT Sentence Correction (SC)
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# SC: 1000 Series, Question 10 - Explanation Sought

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SC: 1000 Series, Question 10 - Explanation Sought [#permalink]

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11 Apr 2011, 01:15
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Hello, could use some help on understanding the reasoning behind the answer on Question 10 of the 1000 Real GMAT SC Questions:

Question 10

A large rise in the number of housing starts in the coming year should boost new construction dollars by several billion dollars, making the construction industry's economic health much more robust than five years ago.

(B) and make the construction industry's economic health much more robust than five years ago
(C) making the construction industry's economic health much more robust than it was five years ago
(D) to make the construction industry's economic health much more than five years ago
(E) in making the construction industry's economic health much more robust than it as (TYPO?) five years ago

Which would you choose and more importantly - why would you not choose the others?

[Reveal] Spoiler:
[Reveal] Spoiler: OA
If you have any questions
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Re: SC: 1000 Series, Question 10 - Explanation Sought [#permalink]

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11 Apr 2011, 03:52
Here is a comparison between two states of economic health’s robustness, one that was five years ago and the other that would be in the coming year after a large rise in the new housing starts.( new housing starts is a noun here) The comparison is not between the economic health on one hand and just five years ago on the other . C and E provide the necessary verb ‘it was’; facilitating an equal comparison.

However in E, the use of the prepositional phrase ‘in making’ is unnecessary and unidiomatic in the context.
C is the choice.
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Re: SC: 1000 Series, Question 10 - Explanation Sought [#permalink]

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11 Apr 2011, 19:08
daj857 wrote:
Hello, could use some help on understanding the reasoning behind the answer on Question 10 of the 1000 Real GMAT SC Questions:

Question 10

A large rise in the number of housing starts in the coming year should boost new construction dollars by several billion dollars, making the construction industry's economic health much more robust than five years ago.

(B) and make the construction industry's economic health much more robust than five years ago
(C) making the construction industry's economic health much more robust than it was five years ago
(D) to make the construction industry's economic health much more than five years ago
(E) in making the construction industry's economic health much more robust than it as (TYPO?) five years ago

Which would you choose and more importantly - why would you not choose the others?

[Reveal] Spoiler:

I still can't see any amibiguity in A. For me, A is clearly comparing a characteristic of the construction industry's economic health 5 years ago and in the coming year. I can't find an alternate meaning.
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Re: SC: 1000 Series, Question 10 - Explanation Sought [#permalink]

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11 Apr 2011, 20:43
Thank you that was a very helpful explanation. I had chosen D.
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Re: SC: 1000 Series, Question 10 - Explanation Sought [#permalink]

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11 Apr 2011, 22:36
A says:
economic health more robust than five years ago

Two sides of comparison are: economic health and five years ago. How can we compare health with five years ago - there is no sense in this sentence

With C we add 'it was'
economic health more robust than it was five years ago

The 'it' is a pronoun for economic health
Two sides of comparison now become - economic health with economic health five years ago
Since we can compare health with health, this is correct
Re: SC: 1000 Series, Question 10 - Explanation Sought   [#permalink] 11 Apr 2011, 22:36
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