I didn’t know at first, but later we bec

问题选择题

I didn’t know at first, but later we became good friends.

A．who is the boy

B．who the boy is

C．who was the boy

D．who the boy was

答案

答案：D

本题考查的特殊疑问句作为宾语从句，句意：我已开始不知道这个男孩是谁，但是后来我们成为了好朋友。结合语境可知从句描述的是过去的状态，故用一般过去式。宾语从句一般为陈述语序。故选D。