Dick, it's the _______ time in three days that you _______ the same mistake.

A．second; have made

B．second, make

C．two; have made

D．two, will make

高频闭锁距离保护发讯机起动发讯后，当判断为外部故障时（）。

A、两侧立即停讯

B、两侧继续发讯

C、反方向一侧继续发讯