A new subway will have been completed in the city by the end of the year will be ver

问题补充：

A new subway will have been completed in the city by the end of the year ,will be very convenient for us to get around shopping and sightseeing.

A. when it

B. where it

C. when that

D. which that

答案：

(答案→)A. when it

B. where it

C. when that

D. which that

解析：考定语从句及北的用法。