--- Thank you for your help.                       --- ______.

--- Thank you for your help.                       --- ______.

A．No, thanks.        B．You’re welcome.   C．Don’t say it.       D．All right.

Thank you very much for your help．

1. A.
   No．thanks．
2. B.
   All right．
3. C.
   Not at all．
4. D.
   Never min