请选择DCBA*C7i'B;T3A,E+O3\-G.g8W Thank you ________ me.4\)s-r,@:c)r/u8\9`
A. for help4\)s-r,@:c)r/u8\9`
B. for helping4\)s-r,@:c)r/u8\9`
C. at helping4\)s-r,@:c)r/u8\9`
D. to help4\)s-r,@:c)r/u8\9`