听力原文:W: I thought Tom said he got A's in all his tests.M: Mary, you should know better
听力原文:W: I thought Tom said he got A's in all his tests.
M: Mary, you should know better than to take Tom's words too seriously.
Q: What does the man mean?
(14)
A.Tom is very responsible.
B.Tom's words aren't reliable.
C.What Tom said is true.
D.Tom is not humorous at all.