A、They don’t have to arrive for the Brown’s lunch on time. B、It’s impolite to be late for the Brown’s lunch. C、They don’t have t

M: My back is still hurting from the fall I had from my bike last week. I wonder if I should visit a doctor.
W: Well, it could be due to internal injuries. To play it safe, you probably should.
Q: What does the woman suggest the man do?

W: Aren’t you ready? The Brown’s lunch is for one o’clock. We’d better leave right away or we’ll arrive late. They’ll think we have bad manners.
M: It isn’t bad manners to be late. In France everybody is late.
Q: What does the man mean?