病证的虚实变化，主要取决于（）
A.正气强弱
B.邪气盛衰
C.感邪轻重
D.体质强弱
E.邪正盛衰
参考答案：E
The decision has been made and I have got to it.
A．stand in
B．stand for
C．stand by
D．stand out
