--What’s the matter?--They said I shouldn’t be allowedhere. They don’t allowin the waiting

问题补充：

--What’s the matter?

--They said I shouldn’t be allowedhere. They don’t allowin the waiting room.

A. smoking; to smoke

B. to smoke; smoke

C. to smoke; smoking

D. smoking; smoking

答案：

A. smoking; to smoke

B. to smoke; smoke

(答案→)C. to smoke; smoking

D. smoking; smoking

解析：句意：怎么啦？他们说我不应在这儿吸烟。他们不允许在等候室吸烟。allow sb. to do sth.允许某人做某事 ,其被动语态形式为sb be allowed to do sth；allow 作“许可”，“允许”讲，只可搭配动名词短语作宾语，不可直接搭用动词不定式作宾语，即只可说 allow doing sth., 不可说allow to do sth，所以选C。