The students are forbidden unless they have special passes after 11 p.m. in the school.A

问题补充：

The students are forbidden , unless they have special passes after 11 p.m. in the school.

A. to stay out

B. from staying out

C. staying out

D. not to staying out

答案：

(答案→)A. to stay out

B. from staying out

C. staying out

D. not to staying out

解析：这题考查词组搭配：forbid sb to do“禁止某人做”，的被动是：sb be forbidden to do，句意是：学生被禁止晚上11点后呆在外面，除非有特别的通行证。选A。