单选题
If such unhappy persons don't change their bad behaviour, what should people do according to the author?______
A、
People should avoid contact with them
B、
People should criticize their misconduct
C、
People should help them recognize the bad effects of the habit
D、
People should show no respect and politeness to them
【正确答案】
A
【答案解析】
最后一段倒数第二句指出，如果他们不改变坏习惯，其他人最好避免和他们接触。
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