【名词&注释】
临床表现(clinical manifestation)、增生症(hyperplasia)、肩关节(shoulder joint)、附睾炎(epididymitis)、脾肾阳虚(yang deficiency of spleen and kidney)、精囊炎(seminal vesiculitis)、肾阳虚衰(deficiency of the kidney-yang)
[单选题]真武汤的主要病机是
A. 肾阳虚衰(deficiency of the kidney-yang),寒湿内盛
B. 肾阳亏虚,水气泛滥
C. 脾肾阳虚,关门不利
D. 下元亏虚,气化不利
E. 邪侵少阴,肾失所主