— do you play computer games? —Sometimes.A. WhenB. What timeC. How oftenD. How many

问题补充：

— do you play computer games?

—Sometimes.

A. When

B. What time

C. How often

D. How many

答案：

A. When

B. What time

C. How often

D. How many

解析：考查连词。When 什么时候；what time什么时间；how often多久表频率；how many 多少。句意：你多久玩次电脑？有时候。根据下方提到Sometimes可见是问频率，故选C项。