明天英语考试急.We don’t allow ______ in this room.A.smoking B.to smoke C.people smoking D.people to smoking为什么不选c

明天英语考试急
.We don’t allow ______ in this room.A.smoking B.to smoke C.people smoking D.people to smoking为什么不选c

短语 ：allow doing sth.
allow + 名词词组 + 带to的不定式