听力原文:W: What can I do for you, sir?M: Please help me to renew the book. It's so attrac
听力原文:W: What can I do for you, sir?
M: Please help me to renew the book. It's so attractive that I want to read it twice.
W: OK, wait a moment, please.
What is the most probable relationship of the two people?
A.Lawyer and client.
B.Librarian and reader.
C.Doctor and patient.
D.Receptionist and tourist.