Can you tell me          the railway station?[ ]

A. how I can get to  

B. how can I get to  

C. where I can get to  

D. where can I get to

帕金森病下列哪些治疗有效（）

A.金刚烷胺

B.左旋多巴

C.安坦

D.利血平

E.心痛定