________, you will get used to the life here and have your understanding of life.[ ]

A. As time going by  

B. With time passing out

C. As time goes by  

D. With time goes by

股肿多发生于（）

A.上肢静脉

B.下肢静脉

C.胸壁静脉

D.颈静脉

E.面部静脉