患者，男性，48岁，肢体颤动不能自制，眩晕耳鸣，面赤烦躁易怒，情绪紧张则颤动加重，肌肤麻木不仁，口苦咽干，言语迟缓不清，流涎，舌红，苔黄，脉弦。

该病治则为（）

A.清热化痰，平肝熄风

B.益气养血，濡养筋脉

C.填精补髓，育阴熄风

D.镇肝熄风，舒筋止颤

E.平肝潜阳，熄风活络

Besides the electrons, an atom also contains positive electrical particles______total charge must be equal to that of the electrons.

A．which

B．that

C．whose

D．of which