单项选择题

W: Jean really lost her temper in Dr. Brown’s class this morning. We were all shocked by her aggressiveness.
M: Oh. did she? But I think her frankness is really something to be appreciated.
Q: What does the man mean?()

A.He admires Jean's straightforwardness.
B.He thinks Dr. Brown deserves the praise.
C.He will talk to Jean about what happened.
D.He believes Jean was rude to Dr. Brown.