It is the first time that I this kind of moon cake.A. enjoyedB. have enjoyedC. enjoyD. en

问题补充：

It is the first time that I this kind of moon cake.

A. enjoyed

B. have enjoyed

C. enjoy

D. enjoying

答案：

A. enjoyed

(答案→)B. have enjoyed

C. enjoy

D. enjoying

解析：：考查固定句型。It is the first time that从句，从句中用现在完成时。句意：这是第一次我吃这样的蛋糕。故B正确。