We don’t allow in the cinema. But you are allowed in the rest room.　A. smoking smokingB.

问题补充：

We don’t allow in the cinema. But you are allowed in the rest room.

A. smoking, smoking

B. smoke, smoking

C. smoking, to smoke

D. to smoke, to smoke

答案：

A. smoking, smoking

B. smoke, smoking

(答案→)C. smoking, to smoke

D. to smoke, to smoke

解析：句意：在电影院我们不充许吸烟。但是你被允许吸烟在休息室。分析前句是考查短语allow doing sth. 后句是被动语态，意思你被允许去做什么。故选C