It is almost five yearswe saw each other last time.A. beforeB. sinceC. afterD. when

问题补充：

It is almost five yearswe saw each other last time.

A. before

B. since

C. after

D. when

答案：

A. before

(答案→)B. since

C. after

D. when

解析：

这题考查句型：It is some time since….“自从…以来有多久了”，句意是：自从我们最后一次见面已经有近5年了。选B。