---There__________ a concert of Justin Bibber in Zhuhai next month. Shall we go?

--- Sure, I like him a lot.

A．are going to have

B．is going to be

C．is going to have

D．are going to be

DDZ-Ⅱ型差压变送器的检测铝片接 * * 面检测线圈时，检测线圈的电感量（）。

A.没什么变化，但在铝片中产生的涡流使高频振荡器的频率增加

B.没什么变化，但在铝片中产生的涡流使高频振荡器的频率降低

C.减小

D.增大