单选题What does the passage mainly talk about?A Scribbler50’s attitude towards smoking bans.B The research on how people can stop smoking.C The effectiveness of smoking bans.D Smoking bans in restaurants and bars.
题目
单选题
What does the passage mainly talk about?
A
Scribbler50’s attitude towards smoking bans.
B
The research on how people can stop smoking.
C
The effectiveness of smoking bans.
D
Smoking bans in restaurants and bars.