— You should have come to the party last Saturday evening. It was really fantastic.— But a

问题补充：

— You should have come to the party last Saturday evening. It was really fantastic.

— But a friend an unexpected visit to me.

A. paid

B. had paid

C. would pay

D. has paid

答案：

(答案→)A. paid

B. had paid

C. would pay

D. has paid

解析：本题考查时态。从you should have come 应该做而没做推断，这里是和过去事实相反虚拟。所以答句用一般过去时。故选A。