— has Liu Xiang taken part in world’s petitions of 110-metre hurdles?
— I’ve no idea. Let’s find it out on the Internet.
A. How often
B. How many times
C. How much time
D. How much
网友回答
A. How often
(答案→)B. How many times
C. How much time
D. How much
解析：根据答语内容I’ve no idea. Let’s find it out on the Internet.可知答案为B。