---You____ part in the party on time.

--- Sorry, I was delayed by the accident.

A．are supposed to take

B．have supposed to take

C．are supposed to have taken

D．supposed to take

女，28岁，从高处跌落1小时急送医院后查体：神清、腹痛，右股骨畸形疼痛

医生应首先进行哪方面检查（）。

A.右股部有无反常活动

B.右股部有无骨擦音或骨擦感

C.生命体征的检查

D.诊断性腹腔穿刺

E.检查胫前后动脉的搏动情况