I’m sorry to trouble you. could you tell me how to get to the railway station? A. and B. but C. or

问题描述:

I’m sorry to trouble you. could you tell me how to get to the railway station? A. and B. but C. or
说明选填的原因

是这样吗?
I am sorry to trouble you , but could you tell me how to get to the railway station?
空格是不是这里?
望能采纳.是这里,但请说明原因?为何选填B,为什么不选A呢因为是转折哦。。。选A的话是前后连接。而这句话是有转折的意思。