下列各项，属于母病及子传变的是
A．肾病及肝 B．脾病及肺 C．心病及脾 D．心病及肝
参考答案：A,B,C
--what effect does the medicine have the blood pressure ?
--- well ,it depends how much you take .
A．with ;on
B．with ; to
C．on ; on
D．on ; to
层次结构的含义。
