The purpose of the campaign is to raise the public’s of the dangers of passive smoking.A.

问题补充：

The purpose of the campaign is to raise the public’s of the dangers of passive smoking.

A. existence

B. connection

C. awareness

D. consciousness

答案：

A. existence

B. connection

(答案→)C. awareness

D. consciousness

解析：考察名词词义辨析。A存在B连接，联系；C意识；D观念；知觉；句意：这次活动的目的在于提高公众对于被动抽烟危险的意识。故C正确。