题目内容：

Smoking is bad for your health,You'd better______.
A.set it upB.give it upC.pick it upD.look it up

优质解答

B
give up 放弃,停止
set up 建立,创建
pick up 挑选
look up 查阅,向上看
根据句义,吸烟有害健康,你最好别抽了.