--- What do you think of this kind of TV set, which ______ in Shanghai?

--- Well, I don’t care about such things.

A．was made

B．is made

C．has been made

D．had been made

地理信息系统原始信息的获取途径主要有野外实地测量、报影测量与遥感、现场考察和实地踏勘、社会调查与统计、利用已有资料。（）是城市规划工作必不可少的信息获取途径。

A.野外实地测量

B.摄影测量与遥感

C.现场考察和实地踏勘

D.社会调查与统计