I'm sorry to tell you I have a toothache
I'm sorry to tell you I have a toothache
-----I'm sorry to tell you I have a toothache
-----______________.
A.Thank you very much B.What's wrong with you
C.It's doesn't matter.D.That's too bad.
我认为C,D都行.该选哪一个?麻烦说明原因.