【名词&注释】
肠梗阻(intestinal obstruction)、清热解毒(heat-clearing and detoxifying)、代赭石(haematitum)、生地黄(radix rehmanniae)、石决明(abalone shell)、珍珠母(pearl shell)、平肝潜阳(soothing liver and anchoring yang)
[单选题]巴豆的功效是( )
A. 峻下冷积,逐水退肿,祛痰利咽
B. 疏散风热,清肺利咽
C. 清热解毒,消痰利咽
D. 开宣肺气,祛痰利咽
E. 祛痰止咳,消肿利咽