A、Teacher and student. B、Boss and secretary. C、Lawyer and client. D、Nurse and patient. B

M: I like your new bicycle, Helen.
W: Thanks, but it isn’t new. I had my old one painted again.
Q: What can be said about Helen’s bicycle?

M: Make thirty copies for me and twenty copies for Mr. Brown.
W: Certainly, sir. As soon as I make the final corrections.
Q: What is the probable relationship between the two speakers?