单项选择题

M: Where have you been, Mary I didn’t see you the whole morning.
W: Peter took me sightseeing around the city.
M: I see. Are you doing anything this evening
W: Nothing special. But I’m leaving for Shanghai tomorrow morning.
M: Good! Would you come to my house this evening We’re having a small party.
W: I’d love to. Is there anyone I know
M: Yes. I’ve also invited Peter.
W: That’s great. I’ll be there.
M: Please come by around six if you can.
W: OK, see you then!

When will Mary leave for Shanghai()

A. This afternoon.
B. This evening.
C. Tomorrow morning.
D. Tomorrow afternoon.