单项选择题
W: It’s really a big problem to teach our children how to behave. When I get angry, I say things I don’t mean.
M: If you want your kids to be polite, you’ll have to be polite to them.
W: Probably you are right.
M: Just make a try.
A. Children learn by example.
B. Children must not tell lies.
C. Children don’t like discipline.
D. Children must control their temper.