Had I run out of gas, I ought to have called the garage.

A．had

B．would have

C．would

D．should have

急性胃十二指肠溃疡穿孔时腹部X线检查所见的典型征象为（）。

A.胃泡扩张

B.胃内有气液平

C.膈下游离气体

D.肠管扩张

E.双侧膈肌抬高