He got home from work only to find the door ___ and something ____.

A．opened, misssed

B．opening, losing

C．open. lost

D．to be opened; to be missed

一足月新生儿，出生时发生窒息，复苏后仍有呼吸困难、青紫。胸片检查显示两肺气肿，诊断胎粪吸入综合征。经气管插管、机械通气等治疗后，患儿青紫未改善，经皮血氧饱和度70％～80％，应首先考虑发生下列哪种情况（）

A.气胸

B.感染性肺炎

C.肺动脉高压

D.动脉导管开放

E.支气管肺发育不良