求助。。gwd的一道题

jasonlover

Q18:
Last year the price per share of Stock X increased by k percent and the earnings per share of Stock X increased by m percent, where k is greater than m.  By what percent did the ratio of price per share to earnings per share increase, in terms of k and m?

A.    k/m %
B.    (k-m) %
C.    [100(k-m)]/(100+k) %
D.    [100(k-m)]/(100+m) %
E.    [100(k-m)]/(100+k+m) %
不理解题意，。。不知如何下手 谢谢各位咯

jasonlover

感谢啊 。。。。。我发现读不懂题。。。 就做不来。。。唉。谢谢啦。。。