The telephone ______ three times in the last hour, and each time it _____ for my father.

A．had rung; was

B．has been ringing; is

C．rang; has been

D．has rung; was

癫痫持续状态是指（）

A.连续单纯部分发作

B.复杂部分性发作持续数天

C.一侧肢体间断抽搐

D.长期用药抽搐仍经常发作

E.全面性强直-阵挛发作频繁出现，间歇期仍意识不清