听力原文:W:The visiting economist is speaking tonight.But Dr. Johnson doesn't seem to think much of him. M:That is because Dr. Johnson comes from an entirely different school of thought. Q:what do we learn from the woman's remark? (15)
A.
The visiting economist has given several lectures.
B.
Dr. Johnson and the guest speaker were schoolmates.
C.
Dr. Johnson invited the economist to visit their college.
D.
The guest lecturer's opinion is different from Dr. Johnson's.