— do you sleep every day? —More than 8 hours. A. How oftenB. How longC. How muchD. How man

问题补充：

— do you sleep every day? —More than 8 hours.

A. How often

B. How long

C. How much

D. How many

答案：

A. How often

(答案→)B. How long

C. How much

D. How many

解析：句意：你每天睡多长时间？8个多小时。more than 8 hours是一段时间，所以要用how long来提问，

故选B。