We forbid here. Who permits you ？
A. smoking; smoking
B. smoking; to smoke
C. to smoke; to smoke
D. to smoke; smoking
网友回答
A. smoking; smoking
(答案→)B. smoking; to smoke
C. to smoke; to smoke
D. to smoke; smoking
解析：考查动词用法。forbid doing禁止做，forbid sb. to do禁止某人做，根据句意选B。