Good to see you again. It’s almost three years we met last time.A. untilB. beforeC. while

问题补充：

Good to see you again. It’s almost three years we met last time.

A. until

B. before

C. while

D. since

答案：

A. until

B. before

C. while

(答案→)D. since

解析：“真高兴再次见到你。这是近三年以来我们最后一次见面。”根据句意，应用连词since（conj.自从……以来；自从……的时候起）