Sentence Correction

At the end of the 1930s, Duke Ellington was looking for a composer to assist him--someone not only who could arrange music for his successful big band, but mirroring his eccentric writing style as well in order to finish the many pieces he had started but never completed.

A) someone not only who could arrange music for his successful big band, but mirroring his eccentric writing style as well in order to finish

B) someone who could not only arrange music for his successful big band, but also mirror his eccentric writing style in order to finish

C) someone who not only could arrange music for his successful big band, but also to mirror his eccentric writing style in finishing

D) that being someone who could not only arrange music for his successful big band, but mirroring his eccentric writing style for finishing

E) being someone not only who could arrange music for his successful big band, but mirror his eccentric writing style as well, finishing

B

boomgoesthegmat wrote:At the end of the 1930s, Duke Ellington was looking for a composer to assist him--someone not only who could arrange music for his successful big band, but mirroring his eccentric writing style as well in order to finish the many pieces he had started but never completed.

A) someone not only who could arrange music for his successful big band, but mirroring his eccentric writing style as well in order to finish

B) someone who could not only arrange music for his successful big band, but also mirror his eccentric writing style in order to finish

C) someone who not only could arrange music for his successful big band, but also to mirror his eccentric writing style in finishing

D) that being someone who could not only arrange music for his successful big band, but mirroring his eccentric writing style for finishing

E) being someone not only who could arrange music for his successful big band, but mirror his eccentric writing style as well, finishing

B

We can solve this question just by paying attention to an idiom.
The correct form is not only X, but also Y

By this alone, we can eliminate all the options apart from B and C
Now looking at the parallelism,

The from of X should be same as the form of Y
In Option B, not only and but also are both followed by a Verb
Whereas in Option C, not only is followed by a Verb and but also is followed by a infinitive.
These are not parallel

Correct option: B

not only x but also y
or not only x but y

A) someone not only who could arrange music for his successful big band, but mirroring his eccentric writing style as well in order to finish

B) someone who could not only arrange music for his successful big band, but also mirror his eccentric writing style in order to finish

C) someone who not only could arrange music for his successful big band, but also to mirror his eccentric writing style in finishing

D) that being someone who could not only arrange music for his successful big band, but mirroring his eccentric writing style for finishing

E) being someone not only who could arrange music for his successful big band, but mirror his eccentric writing style as well, finishing
being is referring back to Duke Ellington