A、Mother and son. B、Husband and wife. C、Employer and employee. A

W: I’m going to lunch with my bowling instructor.
M: What about the committee meeting?
W: Don’t worry. I’ll be back at the office before then.
Q: Where is the woman probably going now?

W: John, what are you doing on your computer? Don’t you remember your promise?
M: This is not a game. It’s only a crossword puzzle. It helps increase my vocabulary.
Q: What’s the probable relationship between these two speakers?