— do you play table tennis Jim？—Twice a week.A. How longB. How oftenC. How muchD. How m

问题补充：

— do you play table tennis, Jim？

—Twice a week.

A. How long

B. How often

C. How much

D. How many

答案：

A. How long

(答案→)B. How often

C. How much

D. How many

解析：句意：你多久打一次乒乓球，Jim?一周两次。A多长；B多久一次；C多少，问不可数名词；D多少，问可数名词；结合回答，可知选B。