不寐的主要病机有（）
A.阳盛阴衰
B.阴盛阳衰
C.心肾不交
D.阴阳失交
E.阳不入阴
参考答案：A, C, D, E
I find it very hard the question.
A．to answer
B．answers
C．answering
D．answered
