【名词&注释】
软坚散结(soften hard lumps and dispel nodes)、清热解毒(heat-clearing and detoxifying)、代赭石(haematitum)、五行生克(the five elements restrain)、石决明(abalone shell)、珍珠母(pearl shell)、平肝潜阳(soothing liver and anchoring yang)
[单选题]既能平肝潜阳(soothing liver and anchoring yang),又能清肝明目的药物是
A. 珍珠母(pearl shell)
B. 牡蛎
C. 代赭石
D. 石决明
E. 牛黄