请选择DCBA)O9\5Q:S(K:V,K6u+W 当你的好朋友总是运气不佳时，你最应该对他说：______;n(d'b,[
A. Enjoy yourself.;n(d'b,[
B. Have a good time!;n(d'b,[
C. Good luck!;n(d'b,[
D. It's very kind of you.;n(d'b,[