-----Have you been wasting time on computer games again?

----- _______. I’ve been studying a lot and I need a break.

A．No way

B．Not really

C．I don’t agree

D．I couldn’t agree more

三相同步电动机的制动控制应采用（）。

A、反接制动

B、再生发电制动

C、能耗制动

D、机械制动