W: Having visited so many countries, you must be able to speak several different languages!
M: I wish I could. But Japanese and, of course English are the only languages I can speak.
Q: What do we learn from the conversation().

A. The man can speak a foreign language.

B. The woman hopes to improve her English.

C. The woman knows many different languages.

D. The man wishes to visit many more countries.

人到中年该吃哪些东西？