-- do you go this week?
-- Twice.
A. How often; skateboarding
B. How long; skateboard
C. How many times; shopping
D. How soon; swim
网友回答
A. How often; skateboarding
B. How long; skateboard
(答案→)C. How many times; shopping
D. How soon; swim
解析：
试题分析:根据答语twice可知此句询问的次数，故用how many times来提问，go的后面常跟动词的ing形式来表示某种活动。故选C。