听力原文:M: The visiting economist is speaking tonight. But Dr. Smith doesn't seem to thin
W: That's because Dr. Smith comes from an entirely different school of thought.
Q: What do we learn from the woman's remark?
(5)
A.The visiting economist has given several lectures.
B.The guest lecturer's opinion is different from Dr. Smith's.
C.Dr. Smith and the guest speaker were schoolmates.
D.Dr. Smith invited the economist to visit their college.