A、To tell her about his sister’s arrival. B、To invite her to a party. C、To discuss some business affairs. D、To ask for a day’s l

M: Mrs. Liang, could I have a word with you, please?
W: Oh, yes, Tony, of course.
M: I wondered if I could have next Friday off. My sister’s arriving from Switzerland... er... I’d like to meet her at the airport.
W: Oh, Friday’s rather difficult. What time does she arrive?
M: The plane gets in at 4:00 p.m.
W: Why don’t you go off just after lunch; then you’ll manage to get to the airport on time to meet her at 4:00.
M: Oh, thank you very much, Mrs. Liang.
Question 6: Why does Tony want to talk with Mrs. Liang?