听力原文:M: Hello, I'm a senior student. Could you tell me whether this reference room is
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?
(15)
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 he is a senior student.
D.Yes, but he needs the approval of his professor.