问题补充：
How time flies ! Several years since we last met at Jack’s Party.
A. has passed
B. had passed
C. have passed
D. will pass
答案：
(答案→)A. has passed
B. had passed
C. have passed
D. will pass
解析：现在完成时用来表示之前已发生或完成的动作或状态，其结果的确和现在有联系。动作或状态发生在过去但它的影响现在还存在；也可表示持续到现在的动作或状态。其构成： have (has) +过去分词。根据语境可知此句的含义是时间过得真快，从上次见面到现在已经过去好几年了，因主语是several years,是时间故用助动词has+过去分词,故选A.
