Sentence Correction

396. In recent years cattle breeders have increasingly used crossbreeding, in part that their steers should acquire certain characteristics and partly because crossbreeding is said to provide hybrid vigor.
(A) in part that their steers should acquire certain characteristics
(B) in part for the acquisition of certain characteristics in their steers
(C) partly because of their steers acquiring certain characteristics
(D) partly because certain characteristics should be acquired by their steers
(E) partly to acquire certain characteristics in their steers

Checks parallelism ...so knock of A B and E

left with C and D

C) partly because of their steers acquiring certain characteristics
(D) partly because certain characteristics should be acquired by their steers


D makes sense becasue it is something they want to achieve

OA ia said to be E

E is correct.

Actually checking for parallelism eliminates A and B, because 'in part' is not parallel with 'partly' for the next part of the phrase.

Now you can make a mistake and eliminate E here because the phrase is not 'partly because', but this is a GMAT trick! The word 'partly' is enough for the two phrases to be judged parallel!

C and D have the same problem. They are passive and awkward. The 'because' forces the verb to be awkwardly placed, and in the wrong verb tense also.

E is the right choice as it is grammatically correct, concise and active.