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## OG 2016 SC 23

This topic has 1 expert reply and 0 member replies
Crystal W Master | Next Rank: 500 Posts
Joined
02 Mar 2016
Posted:
154 messages
2

#### OG 2016 SC 23

Fri Apr 22, 2016 2:08 pm
Discussion of greenhouse effects have usually had as a focus the possibility of Earth growing warmer and to what extent it might,but climatologists have indicated all along that precipitation,torminess,and temperature extremes are likely to have the greatest impact on people.
A.Discussion of greenhouse effects have usually had as a focus the possibility of Earth growing warmer and to what extent it might,
B.Discussion of greenhouse effects has usually had as its focus whether Earth would get warmer and what the extent would be,
C.Discussion of greenhouse effects has usually focused on whether Earth would grow warmer and to what extent,
D.The dscussion of greenhouse effects have usually focused on the possibility of Earth getting warmer and to what extent it might,
E..The dscussion of greenhouse effects has usually focused on whether Earth would grow warmer and the extent that is,
I have understand the parallelismï¼Œbut I am confused the to in Choice C. Someone can explain it?

### GMAT/MBA Expert

GMATGuruNY GMAT Instructor
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Sat Apr 23, 2016 3:16 am
I explain this SC here:
http://www.beatthegmat.com/2016-og-sc-23-t289349.html.

to what extent is an IDIOM that means how much.
to what extent the earth has grown = how much the earth has grown.

An idiom is a FIXED EXPRESSION.
The words in an idiom do not function as words with individual meanings but as a GROUP.
For this reason, do not attempt to analyze the purpose of an individual word in an idiom (such as the purpose of to in to what extent).
Instead, focus on how the idiom functions AS A WHOLE.

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