Frequency

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Frequency

by ronnie1985 » Mon May 21, 2012 7:40 am
A migraine typically afflicts one side of the head, lasts for hours or days, and may
recur as infrequently as once every other month or often, as daily.
(A) as infrequently as once every other month or often, as
(B) as infrequently as once every other month or as often as
(C) infrequently, as often as once every other month, or often, like
(D) infrequently, like once every other month, or often, like
(E) infrequently, like once every other month, or as often as

IMO (B) parallelism

OA not provided
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by Birottam Dutta » Mon May 21, 2012 7:52 am
B "as infrequently as" is parallel with "as often as" and the comma in the original sentence is not required.

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