【名词&注释】
肝肾阴虚(liver-kidney yin deficiency)、《伤寒论》(treatise on febrile diseases)、温经散寒(expelling pathogenic cold from channel)、祛风除湿(dispelling wind and eliminating dampnes ...)、肾阳虚弱(deficiency of kidney yang)、胆南星
[单选题]桂枝芍药知母汤证的病因病机是
A. 风寒湿邪外侵,渐次化热伤阴
B. 寒湿留于关节,经脉痹阻不通
C. 风寒湿邪外侵,气血运行不畅
D. 外感寒湿,经脉痹阻
E. 肝肾阴虚