—Perhaps，what I steal(偷) on the Happy Farm is not vegetables．That is “loneliness”．

—        This year “loneliness” is very popular．

A．I don’t think so.

B．I quite agree with you.

C．That’s a good idea.

D．I’m not sure if you are right.

国家电网公司同业对标“第四版指标体系”中“电网运行”指标中考核的输变电设施主要是（）和（）两类指标。