—Can I smoke here?
—No, at no time in the library.
A. permits smoking
B. does smoking permit
C. smoking is permitted
D. is smoking permitted
网友回答
A. permits smoking
B. does smoking permit
C. smoking is permitted
(答案→)D. is smoking permitted
解析：选D。考查倒装。此处at no time为具有否定意义的短语放在句首, 需用部分倒装; 且此处使用被动语态, 故选D。