下列哪一项是逆行肾盂造影检查的禁忌证（）

A.IVP不满意者

B.碘过敏者

C.肝功能损害者

D.下尿路感染者

E.肾功能严重损害者

I would have accompanied you to the cinema yesterday, but I （） no time.

A. had had

B. could have had

C. might have had

D. had