Simile- he's like a lion
metaphor - I'm going to blow my top
So in other words id say D
I know for a fact that either B. or C. is correct. I think C.
<span>B) Since passengers on the train are unable to exit and reenter at the city stops.
This is a dependent clause, a fragment by itself.
C is a complete sentence - subject (the train) and verb (can be) and modifier (a convenient way to travel). </span>