---I hear Mary is in hospital

---Oh, really? I     know, I      go to visit him.

A．didn’t, will

B．didn’t, am going to

C．don’t, would

D．don’t, will

不可避免地出现心血管系统失健现象的卧床休息时间至少为

A．1～2周
B．2～4周
C．4～6周
D．6～8周
E．8～10周