Sentence Correction

The typical size difference between males and females has lessened since the origins of the human species because the size increase in males has been slight while the size increase in females has been great.

(A) the size increase in males has been slight while the size increase in females has been great

(B) the male size increase has been slight and because it has been great in females

(C) the size increase had been slight for males but great for females

(D) of the size increase being slight for males while for females it was great

(E) of slightly increasing the male size while greatly increasing it in females

OA A

Source: GMAT Prep