There is a question in my test that makes me confused. Here is the dialogue and I need to fill in the blank:
A: You are a great dancer!
B: _____. I dance terribly.
That is what I remember (not word by word). I was reluctant between two choices:
You've got to be kidding me.
and
You are too kind.
I knew the former can be used so I chose it. However, after thinking thoroughly I thought the correct choice might be the latter so my final decision was to choose the latter. My reasoning: the former (even though is correct) seems rude. The latter seems much nicer.
When I received the test back. The answer is:
You've got to be kidding me.
In short, I would be grateful if anyone can point out the differences between the two phrases and show some example if possible too. Thank you!