A、It is very boring. B、It is very interesting. C、It is a waste of time. D、It is his responsibility. B观点态度题。女士为课后问问题而耽误教授的时间表示抱歉，

M: I hear you have rent a new house. So what’s it like having a roommate?
W: It’s so nice. Though I like living alone, sometimes it’s nice to come home and have someone there.
Q: What can we learn about the woman?

W: Prof. Smith, I m so sorry to disturb you by asking you so many questions after class. You must feel very tired of that.
M: Tired? There is nothing more interesting than helping my students solve the problems in the study.
Q: What’s the man’s attitude towards answering these questions after class?