885 sec3 7没搜倒问过

7.     Many investors base their choice between bonds and stocks on comparing bond yields to the dividends available on common stocks.

(A) between bonds and stocks on comparing bond yields to

(B) among bonds and stocks on comparisons of bond yields to

(C) between bonds and stocks on comparisons of bond yields with

(D) among bonds and stocks on comparing bond yields and（C）

(E) between bonds and stocks on comparing bond yields with

为什么不能是E，为什么用comparison但不用compare动词啊，