-----How many elephants have you seen?-- .A. No oneB. NoneC. Not many ones D. Not many.

问题补充：

-----How many elephants have you seen?

---- .

A. No one

B. None

C. Not many ones

D. Not many.

答案：

A. No one

(答案→)B. None

C. Not many ones

D. Not many.

解析：考查代词：A. No one没有人，回答who的问句，B. None三者以上没有一个，回答how many、how much引导的问句，C. Not many ones表达不对D. Not many没有很多，句意：你看见多少大象？--一个都没有。选B。