When I said some students were so lazy, I ___to you.

A．don’t refer

B．wasn’t referring

C．didn’t refer

D．hasn’t referred

抽搐持续状态是指抽搐持续时间（）

A.>10分钟

B.>20分钟

C.>30分钟

D.>40分钟

E.>50分钟