A、No, it’s open only to teachers and postgraduates. B、Yes, he can study there if he is writing a research paper. C、Yes, because

M: I’d like to check in, please. I didn’t make a reservation.
W: That’s not necessary, sir. Just sign the register.
Q: Where does this conversation most probably take place?

M: Hello, I’m a senior student. Could you tell me whether this reference room is only for faculty members?
W: No, it’s also open to the postgraduates; and undergraduates can come too if they’ve got professor’s written permission.
Q: Can the man study in the reference room?