下列方剂中，除何方外组成药物中均含有白芍( )
A．天麻钩藤饮B．大定风珠C．镇肝息风汤D．羚角钩藤汤E．大秦艽汤
参考答案：A
规律的存在和发生作用是不以人的意志为转移的。
—Is that man your uncle?
—No, it ______ be him. He likes wearing jeans. [ ]
A. mustn't
B. can't
C. may not
D. shouldn't
