Acupuncture at the points Zhongwan (Ren 12), Zusanli(S 36),Neiguan(P 6),Shenmen(H 7)and Sanyinjiao(Sp 6)is often used to treatinsomnia caused by ( ) .
A.
deficiency of the heart and spleen
B.
flare-up of fire resulting from a deficiency of yin
C.
dysfunction of the stomach
D.
disharmony between the heart and kidney
E.
hyperactivity of liver yang