【名词&注释】
活血祛瘀(activating blood removing stasis)、清热解毒(heat-clearing and detoxifying)、牛蒡子(great burdock achene)、生地黄(radix rehmanniae)
[单选题]生地黄(radix rehmanniae)与玄参的共同功效是()
A. A.润肠通便,排脓祛瘀B.清热解毒,活血祛瘀C.凉血活血,散结消肿D.清热凉血,祛风解毒E.清热凉血,养阴生津