A、He’ s angry with the student. B、He’ s crazy. C、He’ s late for class. D、He’ s sick. A

W: This cabinet is beautiful. Did you make it yourself?
M: No. I had it built.
Q: What does the man mean?

M: What’ s wrong with the teacher?
W: That John comes to class so late has made him mad.
Q: What can you infer about the teacher?