Clothing made of man-made materials has advantage over _________ made of natural ones like cotton, wool or silk.

A．one

B．it

C．that

D．the ones

用于治疗皮肤热毒紫斑的最佳方剂是（）

A.清营汤

B.犀角地黄汤

C.黄连解毒汤

D.白虎汤

E.普济消毒饮