He gave up two years ago. That’s to say he is a non-smoker now.A. smoke B. smoking C. to

问题补充：

He gave up two years ago. That’s to say, he is a non-smoker now.

A. smoke B. smoking C. to smoke

答案：

解析：句意：两年前他放弃了吸烟。这就是说，他不是烟民了。give up doing she,放弃做……。故选B