________ anything like this style of architecture before, we thought we were looking at giant sculptures, not buildings.

A．We had never seen

B．Never having seen

C．Never being seen

D．Never had we seen

对判断肝硬化患者愈后意义不大的指标是（）。

A.腹水

B.白蛋白

C.血清电解质

D.凝血酶原时间

E.肝性脑病