Sentence Correction
Verbal Ability

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Q.

A course of cognitive behavior therapy can be as effective, if not more so, than drug therapy and without the side effects, in helping the elderly to overcome insomnia.

 A.

as effective, if not more so, than drug therapy and without the side effects, in helping the elderly to overcome insomnia

 B.

more effective than drug therapy and without the side effects, in helping the elderly to overcome insomnia

 C.

at least as effective in helping the elderly overcome insomnia as drug therapy, and is without the side effects of drug treatment 

 D.

at least as effective as drug therapy in helping the elderly to overcome insomnia without side effects 

 E.

equally effective as drug therapy in helping the elderly to overcome insomnia without side effects

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Solution:
Option(C) is correct

The original version is incorrect because ‘as... as’, is correct, not ‘as... than’. Options B and E change the meaning – we need to convey that CBT is ‘at least as effective’, and so we should consider only C and D.

Although D is shorter, it is not correct because it seems to suggest that insomnia is without side effects. And so the answer is C.


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