问题
单项选择题
A．The woman has trouble getting along with the professor.
B．The woman regrets having taken up much of the professor’s time.
C．The woman knows the professor has been busy.
D．The woman knows the professor has run into trouble.
答案
参考答案：B
解析：[听力原文]
M: Prof. Black has been very busy this semester. As far as I know, he works until mid-night every day.
W: I wouldn’t have troubled him so much if I had known he was so busy.
Q: What do we learn from the conversation