Question

— _______?

— Once.

A. How do you like junk food

B. How many times do you eat junk food a week

C. What time do you eat junk food

D. When do you usually eat junk food

Answer

B

【解析】句意：----你一周吃几次垃圾食品？----一次。A. How do you like junk food你觉得垃圾食品怎么样？B. How many times do you eat junk food a week你一周吃多少次垃圾食品？C. What time do you eat junk food你什么时候吃垃圾食品？D. When do you usually eat junk food你通常什么时候吃垃圾食品。根据回答Once（一次）可知询问的多少次，询问多少次用how many times；结合句意和语境可知选B。