_____ with the problem of heavy traffic, more and more people prefer to take buses rather than drive

cars. [ ]

A. Face      

B. Faced  

C. Facing    

D. To face

结核性、慢性类风湿性关节炎、痛风、系统性红斑狼疮时积液的颜色是（）

A.金黄色

B.红色

C.乳白色

D.乳黄色

E.绿色