If you feel tired you may stop .A. have a restB. to have a restC. having a restD. has a

问题补充：

If you feel tired , you may stop .

A. have a rest

B. to have a rest

C. having a rest

D. has a rest

答案：

A. have a rest

(答案→)B. to have a rest

C. having a rest

D. has a rest

解析：

stop doing 停止做某事（doing 作宾语）例：We stopped talking. 我们停止说话。

stop to do 停下来去做某事（to do 表示停下来的目的，作状语）例：We stopped to talk.我们停下来说话。故选B表示目的：停下来的目的是休息。