下列哪种为我国规定报告的甲类传染病（）。

A．肝炎

B．流脑

C．霍乱

D．流感

E．麻疹

I would have gone to visit him in the hospital，had it been at all possible，but I __________fully occupied the whole of last week.

A．were

B．had been

C．have been

D．was