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# According to surveys by the National Institute on Drug

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Director
Joined: 09 Jul 2005
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According to surveys by the National Institute on Drug [#permalink]

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29 Oct 2005, 09:09
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According to surveys by the National Institute on Drug Abuse, about 20 percent of young adults used cocaine in 1979, doubling those reported in the 1977 survey.
(A) doubling those reported in the 1977 survey
(B) to double the number the 1977 survey reported
(C) twice those the 1977 survey reported
(D) twice as much as those reported in the 1977 survey
(E) twice the number reported in the 1977 survey

Current Student
Joined: 29 Jan 2005
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29 Oct 2005, 09:34
I`ll take E.

D would be correct if it were worded twice as many...
Manager
Joined: 07 Jul 2005
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29 Oct 2005, 10:43
I have some doubt on E. It uses twice the number to compare with the percentage of people reported.
I dont know whats wrong with A?
Director
Joined: 14 Sep 2005
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Location: South Korea
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30 Oct 2005, 05:49
I vote for (E).

"Those" has no clear referrence.
"Number" is better to refer to "20"%.
_________________

Auge um Auge, Zahn um Zahn !

Intern
Joined: 31 Oct 2005
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31 Oct 2005, 13:26
Only E is right.

A & B - Instant Kill
C - Kill - Twice "those" - The comparison is focused on the percentage
D - Kill - Should be "many" not "much"

Leaves only E - the correct answer
Senior Manager
Joined: 07 Jul 2005
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31 Oct 2005, 20:28
a) those has no referant
b) to double does not properly introduce a modifier
c) same as A
d) same as A
e) the only option that is unambiguous.

I choose E.
31 Oct 2005, 20:28
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