The fact that so many people still smoke in public places we may need a nationwide campai

问题补充：

The fact that so many people still smoke in public places we may need a 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：考查时态和主谓一致。本句的主语是the fact。同位语从句that so many people still smoke in public places解释the fact的内容。故谓语动词与the fact保持一致，使用单数形式。句意：很多人仍然在公众场所抽烟的事实说明我们需要一次全国的运动来提高人民对于抽烟的危险的意识。故B正确。