问题
选择题
--Let’s finish off the rest of the cake.
--None for me, thanks. I _____ more than enough.
A．had
B．will have
C．have had
D．am having
答案
答案：C
考察时态。句意：让我们吃完蛋糕的剩余部分吧!——我不要了，谢谢。我已经吃的够多了。结合语境可知下文描述的是现在已经完成的动作，故选C。，故选C