The first two stages in the development of civilized man were probably the invention of weapons and the discovery of fire, although nobody knows exactly when he acquired the use of the ______.

A．latter

B．latest

C．later

D．last

阴疮寒湿证的治疗选方是（）

A.龙胆泻肝汤

B.仙方活命饮

C.托里消毒饮

D.阳和汤

E.五味消毒饮