单项选择题
A.漏出液 B.渗出液 C.脓性胸液 D.血性胸液
A.血压<17.29/11.31kPa(130/85mmHg) B.血压<18.62/11.97kPa(140/90mmHg) C.血压<21.28/10.64kPa(160/80mmHg) D.血压<15.96/10.64kPa(120/80mmHg)