肾毒物引起急性肾功能衰竭主要原因是

A．肾间质纤维化

B．肾小管坏死

C．肾小球病变

D．肾内DIC

E．肾组织细胞水肿

Her pale face suggested that she ____ ill and it was suggested that she _____ in hospital for a couple of    days.    [ ]

A. should be; should stay  

B. was; stayed  

C. was; stay    

D. had been; stays