One difficult but essential thing to remember is to refuse to let other people's bad manners goad you into retaliating in kind.
A、...not to guide other people to repeat the evil thing.
B、...to encourage people to change their bad behaviors.
C、...to protect kind people from being harmed by rude people.
D、...not to be pushed to take revenge with a similar rude behavior.
【正确答案】：D
