W: Hi, Robert, what happened to your face? It looks swollen. M: I have to go and get my teeth filled. W: Did it hurt? M: I don't even want to talk about it. It killed me! W: Well, I guess you've learned a good lesson, huh! You have to take good care of your teeth. M: No kidding. I can't stand the pain, but the bill is too large! W: Don't you have a dental insurance? M: I do. but it doesn't cover everything., Question: What should the man do according to the woman? (A) Learn how to prevent pain. (B) Know how to stand the pain. (C) Take good care of his teeth.
(C) Take good care of his teeth.