听力原文:W: Professor Hook was so strange today.M: I noticed that too. He was talking so q
听力原文:W: Professor Hook was so strange today.
M: I noticed that too. He was talking so quietly and then not giving us any homework at all. Can you believe that?
Q: What can be inferred about Professor Hook?
(16)
A.He usually talks quietly.
B.He usually assigns homework.
C.He didn't come to class today.
D.He came to class late today.