指出噎膈的基本病理改变是食道狭窄的医家是（）。
A.张仲景
B.李东垣
C.朱丹溪
D.张景岳
E.叶天士
参考答案：E
— Did you go to the lecture by the visiting professor?
— No. I ______ it, but I've been busy taking care of my grandma in hospital these days.
A．would have attended
B．should attend
C．must have attended
D．would attend
驱虫法属于“八法”中哪一种治法
A．补法
B．下法
C．和法
D．消法
