---Would you like a piece of cake? --- . I'm full.
A. I'd like to.
B. Yes, please
C. No, thanks.
D. That's OK.
网友回答
A. I'd like to.
B. Yes, please
(答案→)C. No, thanks.
D. That's OK.
解析：对于Would you like···？表示你想要什么？可以做肯定回答，也可以作否定回答，根据答语后的内容I'm full.可知答案为C