I told Sally how to get here, but perhaps I ___ for her.

A．had to write it out

B．must have written it out

C．should have written it out

D．ought to write it out

慢性肾小球肾炎晚期最严重的问题是（）

A.轻度水肿

B.大量蛋白尿

C.中度以上高血压

D.肾功能衰竭

E.贫血