Only when he returned ________ that the war had ended and the army had come back.

A．we tell

B．we told

C．did we tell

D．were we told

关于腹主动脉瘤的症状，下列哪项是正确的()

A．腹主动脉瘤压迫邻近器官可引起各种梗阻症状

B．腹部搏动性肿物多见于脐部或脐部偏右上方

C．可引起性质不一的疼痛

D．一部分人无症状

E．腹主动脉瘤破裂可引起限制性血肿