问题 单项选择题

Smoking does great harm to our health. ( ) is smoking allowed in public places.

A. In no time



B. At a time
C. At all times


D. At no time

答案

参考答案:C

解析: at no time决不,任何时候都不;in no time立即、马上,题中表示否定意义的副词词组; at no time放在句首,句子采用了部分倒装结构。

单项选择题
单项选择题