A、Their outgoing personality. B、Their work environment. C、Their usual food and drink. D、Their healthy lifestyle. C女士问为什么日本人平均(预期

W: You don’t feel very well, do you? You look pale. Have you got a cold?
M: Oh, no, but my teeth ache. I just had three scoops of chocolate ice-cream.
Q: What probably caused the man’s problem?

W: Why do the Japanese have such a long life expectancy?
M: I don’t understand. So many of them smoke, and they have a stressful work environment. It must be their healthy diet. Hey! Let’s go out for sushi!
Q: What does the man suppose contributes to the Japanese long life expectancy?