患者大便干或不干，排出艰涩困难，小便清长，面色淡白或时作眩晕，四肢不温，腹中冷痛，得热则减，腰膝冷痛，舌淡苔白，脉沉迟。其治法为（）

A.温阳通便

B.滋阴通便

C.养血润燥

D.顺气导滞

E.补气润肠

         they are twins, they don't look the same at all.[ ]

A. Because        

B. Though    

C. As    

D. Since