中继器的自动增益控制电路有（）。

A、AGC检波

B、AGC控制

C、AGC滤波

D、AGC检波和AGC控制

I as well as my friend ＿＿＿ the same opinion that one day or two ＿＿＿enough for this work.

A．share,is

B．shares,are

C．share,are

D．shares,is