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 答案选C,我想请教的是,为什么用comparisons而不用comparing,我觉得comparing更好一些啊。 |