–– are you staying there?–– For about two weeks.A. How oftenB. How muchC. How manyD. How l

问题补充：

–– are you staying there?

–– For about two weeks.

A. How often

B. How much

C. How many

D. How long

答案：

A. How often

B. How much

C. How many

(答案→)D. How long

解析：本题的回答语表示的是时间的长度，对此提问的用how long，故本题选D。