听力原文:W:Mr.David,you are such nice young man and you have been taking good care of me e
M:It's very kind of you to say so,but really I don't think I had done nearly enough.
Q:What does the man mean?
(14)
A.He has done what he shouldn't.
B.He hasn't done as much as he could.
C.He has done as much as he could.
D.He has done more than enough.