A、They are discussing the Mid-autumn Festival. B、They are discussing the big dinner. C、The man is asking for some advice on goin

M: (23) Joy, I need your advice. My Chinese friend has invited me to his home for dinner tonight.
W: Oh, how nice! That’s for the Mid-autumn Festival, isn’t it?
M: Yes, he said all his family and relatives would get together and enjoy a big dinner.
W: And mooncakes, too. That’s what the Mid-autumn Festival is all about.
M: So in China the Mid-autumn Festival is the occasion for families to get together and have fun.
W: Exactly.
M: What do you do when you’re invited to someone’s house here?
W: Well, it’s always good to bring a small gift although it’s not absolutely necessary.
M: What do people usually bring?
W: For a festival you can bring something like wine or tea. It’s also common to bring fruits when visiting a family.
M: Really? (25) We only bring fruits when we visit people in hospital.
23. What are the two speakers talking about?
24.What may the man do when going to his Chinese friend’s house?
25.When do people usually bring fruits in the man’s country?