—Peter is late for class, but he should take the test at once.

—__________. He should take the test after class.

A．I agree.

B．I disagree.

C．I think so

D．I don’t think, either.

如果多个中断同时发生，系统将根据中断优先级响应优先级最高的中断请求。若调整中断事件的响应次序，可以利用( )。

A．中断响应

B．中断屏蔽

C．中断向量

D．中断嵌套