— I ran into ______ back of ______ truck yesterday and damaged my car badly.

— I suppose you were driving too fast.[ ]

A. the; the

B. a; a

C. the; a

D. a; the

小儿1岁，因发热伴咳3天，气急，烦躁不安，脉搏细弱，心率每分钟160次，奔马律，两肺闻及细湿啰音，肝脏肋下3.5cm，诊断为肺炎并发：（）

A.心力衰竭

B.低血钾症

C.低血钙症

D.呼吸衰竭

E.自发性低血糖症F.低血钠症G.肾功能衰竭H.休克