It's very kind ( )you to say so.A.to B.of C.for

It's very kind ( )you to say so.A.to B.of C.for It's very nice ------ you ------ so.A.of,to say B.for,to say It's very kind of you to say so -__ hard work you have done!-It's very kind of you to say so ____hard work you have done It's very kind of you to say so. It's very kind of you to say so.什么意思 it's kind of you to say so It's very nice of you to say so. It's very handsome of you to say so. 1.( ) is kind ( ) you to do so. A.It;of B.It;for C.This;of D -It's very kind of you to help me.-( ).A.All right B.It's a It's so kind _____ you to be kind ___ me.A of of B of to Cto