The fact that so many people still smoke in public place that we may need nationwide campa

问题补充：

The fact that so many people still smoke in public place that we may need nationwide campaign to raise awareness of the risks of smoking.

A. suggest

B. suggests

C. suggested

D. suggesting

答案：

A. suggest

(答案→)B. suggests

C. suggested

D. suggesting

解析：考查动词时态。分析句子结构可知，主语是the fact，其后的that引导的是同位语从句，因此主句的谓语动词应用第三人称单数形式，结合上下文时态可确定，此处用一般现在时。