决定病证虚实变化的主要病机是()

A.脏腑功能活动的盛衰

B.阴精的盛衰

C.气血的盛衰

D.正邪的盛衰

E.阳气的盛衰

People may have different opinions about Kaven, but I admire her.________she is a great musician. [ ]

A. After all  

B. As a result

C. In other words  

D. As usual