A46-year-old man is admitted in acute pulmonary oedema and undergoes pulmonary artery wedge pressure monitoring.Which one of the following statements is correct about pulmonary artery wedge pressure?
选项：

A: It is usually 0-5mmHg
B: It is low in cardiogenic shock
C: It correlates with left ventricular end systolic pressure
D: It provides an indirect measure of the right atrial pressure
E: It may be a useful parameter to measure following cardiac surgery