--- Can I smoke here?
--- Sorry. On no condition in the library.
A. smoking permits;
B. smoking is permitted
C. does smoking permit
D. is smoking permitted
网友回答
A. smoking permits;
B. smoking is permitted
C. does smoking permit
(答案→)D. is smoking permitted
解析：考查情景交际和倒装。表示否定的短语on no condition（决不），at no time（决不），under no circumstance（任何情况下都不），in no case（决不）等，位于句首时，使用部分倒装，排除A、B；smoking和permit是动宾关系，应该使用被动语态，排除C。故选D。