【名词&注释】
雌激素(estrogen)、雄激素(androgen)、活血祛瘀(activating blood removing stasis)、孕激素(progesterone)、甲状腺素(thyroxine)、主要因素(main factors)、川牛膝、补肝肾(nourishing liver and kidney)、强筋骨(strengthen muscles and bones)
[单选题]怀牛膝与川牛膝的功效区别是( )
A. 怀牛膝偏于利尿通淋,川牛膝偏于活血通经
B. 怀牛膝偏于活血通经,川牛膝偏于强腰膝
C. 怀牛膝偏于祛风湿,川牛膝偏于补肝肾(nourishing liver and kidney)
D. 怀牛膝偏于清下焦湿热,川牛膝偏于清上部火热
E. 怀牛膝偏于补肝肾(nourishing liver and kidney)强筋骨(strengthen muscles and bones),川牛膝偏于活血祛瘀