下列哪项对中心静脉压的影响最小
A．血容量B．静脉血管张力C．肺动脉楔压D．静脉回心血量E．右心室排血能力
参考答案：C
Though she _______for a moment, she finally went in and asked to see a dress that was in the window.
A．dared
B．nerved
C．wondered
D．hesitated
人本原则
