大全885－section 03－07

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

我选E， 是base 。。。。on doing sth。 还是base。。。on n。。。。

我觉得应该选C

我用得是排除法式  首选是between......and...

其次,base...on + N.    且comparison是comparie 的名词形式，当一个动词有其独立的名词形式时，不用动名词