【名词&注释】
艾滋病(aids)、持续性(persistence)、活血化瘀、桃红四物汤、活血祛瘀(activating blood removing stasis)、淋巴结(lymph node)、清热解毒(heat-clearing and detoxifying)、传染性(infectious)、脾肿大(splenomegaly)
[单选题]大黄牡丹汤中配伍大黄的意义在于
A. 泻肠中湿热瘀结之毒
B. 泻下通便,荡涤肠胃
C. 清热泻火止血
D. 生肌敛疮
E. 清热解毒(heat-clearing and detoxifying)消肿