You must be very tired. Why not a rest?A. stop takingB. stop to takeC. to stop takingD. to

问题补充：

You must be very tired. Why not a rest?

A. stop taking

B. stop to take

C. to stop taking

D. to stop to take

答案：

A. stop taking

(答案→)B. stop to take

C. to stop taking

D. to stop to take

解析：why not do sth表示建议，意思是问什么不做某事。