A、He used to be a workman himself. B、He likes to do repairs and make things himself. C、He is a professional builder. D、He paid w

M: Congratulations. You certainly did quite well and I must say you deserve that grade.
W: Well, I really studied hard for that exam. I’ve been preparing for it for more than a month. Now, I can relax for a while.
Q: Why is the woman so happy?

W: I’m very impressed by all the work you’ve done on your house, Mr. Miller. How long have you been working on it?
M: I first became interested in doing things myself several years ago. I’ve been doing something on it every now and then for almost a year now.  You know, I couldn’t afford to pay workmen to do it.
Q: What do we learn about Mr. Miller?