【题目】—Everybody knows smoking is harmful to health，but still so many people smoke.
—Exactly！So our country is planning to start a________against smoking.
A.war
B.campaign
C.motion
D.struggle

【答案】B
【解析】 war战争；campaign运动；motion运动，提议；struggle斗争。显然只有B项符合答语的句意，即“的确”！所以我们国家正在计划开展一项戒烟运动。故选B。