It is bad for a man to smoke in public places where smoking is not allowed.
A. method
B. impression
C. behavior
D. attitude
网友回答
A. method
B. impression
(答案→)C. behavior
D. attitude
解析：此处method方法；impression印象；behavior行为，举止；attitude态度。句意：一个人在禁止吸烟的公共场所吸烟是坏的行为。根据句意选C。