Dialogue:

M: Prof. Kennedy has been very busy this semester. As far as I know, he works until midnight every day.

W: I wouldn't have troubled him so much if I had known he was so busy.

Question: What do we learn from the conversation? 

- The woman regrets having taken up much of the professor's time.

- The woman knows the professor has run into trouble.

- The woman knows the professor has been busy.


The woman regrets having taken up much of the professor's time.