【名词&注释】
病理学(pathology)、理论依据(theoretical basis)、利小便(inducing urination)、《诸病源候论》(treaties on the causes and manifestatio ...)、牛蒡子(great burdock achene)、疏肝解郁(relieving liver qi stagnation)、《圣济总录》(the complete record of holy benevolence)、《千金方》(golden prescriptions for emergencies)、第一部(first national)、之所以(the reason that)
[单选题]"利小便之所以(the reason that)实大便"的理论依据是
A. 小肠泌别清浊
B. 大肠主津
C. 膀胱气化
D. 肾主二便
E. 三焦决渎