A、Doctor and nurse. B、Customer and waitress. C、Boss and secretary. D、Manager and clerk. B

W: How long can I keep this book?
M: Today is Tuesday. You’ll have to return it the day after tomorrow.
Q: When should the woman return the book?

M: I must say the steak was delicious and I’ve never had better service.
W: Thank you, sir. I’ll pass your compliments on to the cook. And thanks too for the tip.
Q: What is the probable relationship between the two speakers?