— Must I go to clean the classroom now?

— No, you ______. [ ]

A. can't

B. mustn't

C. don't have to

D. may not

心理需要中的生物性需要包括空气、水、食物、（）等。

A.运动、交往

B.休息、配偶

C.休息、求知

D.配偶、交往