症见面色无华，眩晕，夜寐多梦，两目干涩，肢体麻木不仁，筋肉晌动，脉细舌淡的病机是

A．心血亏虚

B．肝肾阴虚

C．肝血不足

D．气血两虚

E．阳盛化风