单项选择题
Student: Good morning, Professor Liu. （）I’m late.
Professor: You are late every morning. You were late Tuesday, yesterday...Don’t you have a watch
A. I am awfully sorry,
B. Not at all.
C. It’s my pleasure.
D. No, of course not.
E. Coffee, please.
F. You don’t look well.
G. But he panned to.
H. Take it easy.