Rail - a bar or series of bars, typically fixed on upright supports, serving as part of a fence or barrier or used to hang things on
road - a wide way leading from one place to another, especially one with a specially prepared surface which vehicles can use.
B because he’s new and he doesn’t know anybody
B. Putting ideas and concepts together to form a conclusion.
The answer is
in the attachment below.
<em>I hope I was of help :)</em>
<em>Martin</em>