57.關於肺動脈導管的敘述，下列何者錯誤？（CVP= central venous pressure；RAP= right atrial pressure； LAP= left atrial pressure；RVEDP=RV end-diastolic pressure；LVEDP=LV end-diastolic pressure； PVRI=pulmonary vascular resistance index；PAP=pulmonary arterial pressure；PAWP=pulmonary artery wedge pressure；CI=cardiac index；CO=cardiac output；BW= body weight） (A)CVP=RAP=RVEDP (B)PAWP=LAP=LVEDP (C)PVRI=（PAP-PAWP）/CI (D)CI=CO/BW