According to the rule of trend directions of the Twelve Meridians， which meridians trend from hand to head？

A.Three Yin meridians of hand手三阴经

B.Three Yang meridians of hand 手三阳经

C.Three Yin meridians of foot 足三阴经

D.Three Yang meridians of foot 足三阳经

E.Conception Vessel（Ren）， Govern Vessel（Du） 任脉、督脉

正确答案：Three Yang meridians of hand 手三阳经