Many investors base their choice between bonds and stocks on comparing bond yields to the dividents available on common stocks. (A) between bonds and stocks on comparing bond yields to (C) between bonds and stocks on comparison of bond yields with (E) between bonds and stocks on comparing bond yields with 给的答案是C， 可为什么不能用A？ compare to 比较不同类事物， 强调相似性。 bond yields和dividents应该有 这种相似性啊。 | 
