心脏骤停早期诊断最佳指标是（）。
A.瞳孔突然明显散大
B.测不到血压
C.颈动脉和股动脉搏动消失
D.呼吸停止
E.面色苍白和口唇发绀
参考答案：C
—How are you getting on with your work? —Oh, I’m sorry. Things aren’t going so well as ______.
A．plans
B．planning
C．planned
D．to plan
