静压轴承的供油系统中，压力继电器的作用是（）。

A.控制系统压力

B.当油泵未启动时，能自动控制主轴电动机的电路不能接通

C.系统出现故障时，能使主轴电动机的电路即使断开

D.延时

—How do you deal with their objections to our plan？

—I think we can safely ____ them since our plan is made on a scientific basis.

A．approve

B．dismiss

C．distribute

D．disgust