听力原文:W: You're taking a course with Professor Johnson. What's your impression so far?
M: Well, many students could hardly stay awake in his class without first drinking a cup of coffee.
Q: What does the man imply?
(18)
A.Few students understand Prof. Johnson's lectures.
B.Few students meet Prof. Johnson's requirements.
C.Many students find Prof. Johnson's lectures boring.
D.Many students have dropped Prof. Johnson's class.
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