It is the first time that I this kind of moon cake.
A. enjoyed
B. haveenjoyed
C. enjoy
D. had enjoyed
网友回答
A. enjoyed
(答案→)B. haveenjoyed
C. enjoy
D. had enjoyed
解析：考查固定句式中的时态。句意：这是我第一次吃到这样的月饼。从句意来看，只有吃过了这种月饼才能这样说，因为前面句子使用现在时is，所以使用现在完成时的形式；如果前面的句子使用一般过去时，后面就使用过去完成时。故B正确。