A、At five a.m. B、At four p.m. C、At four a.m. D、At five p.m. BWhen will Tony’s sister arrive at the airport?

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 four 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 four
M: Oh, thank you very much, Mrs. Liang.