单项选择题
W: It’s ten o’clock, I’m going to have to be leaving.
M: Leaving Already
W: Yes. I’ve got to get up early tomorrow morning.
M: OK. Stop over again sometime.
W: Sure. Thank you very much for your dinner. See you then.
M: See you then.
A．Because she had to go home.
B．Because she had to get up early tomorrow morning.
C．Because she had tired.