I try to relax because I knew I would use up my oxygen the sooner ______ .

A．the more excited I got

B．I got excited more

C．and more excited I got

D．and I got more excited

诊断为急性化脓性腹膜炎后，进一步要明确的中心环节是（）

A.脱水的程度

B.是否合并酸碱平衡紊乱

C.引起腹膜炎的原因

D.感染的程度

E.有无贫血