从下面方框中选出与下列各句中画线部分意思相同或相近，并能替换划线部分的选项。

A. is kind to   B. Thanks a lot   C. be in   D. to swim

I want to join the music club.
Our math teacher is good with us.
Can you help the kids with swimming?  
-Thank you very much.  -You are welcome.