电压串联负反馈能使放大器的（）

A、输出电压稳定，输入电阻加大

B、输出电压稳定，输入电阻减小

C、输出电流稳定，输入电阻加大

D、输出电流稳定，输入电阻减小

I suggested to my father that we ____________ to Dalian for a holiday this summer, but the expression on his face suggested that he ___________ to it.

A．go; shouldn't agree

B．would go; shouldn't agree

C．go; didn't agree

D．would go; didn't agree