I am as busy as a bee these days. I can　　　 spare any time for a walk.

A．almost

B．hardly

C．hard

D．ever

接通率几时，应调整系统设置（IVR、路由），呼叫溢出等（）。

A.一级预警

B.二级预警

C.三级预警

D.特级预警