They connect us because usually urban legends are based off of ghosts or monsters. Fear is a universal thing for humans. A very common fear amongst humans is the fear of the unknown. So while many of us have our differences, we are connected by the fear that we truely don't know whats out there.
Let's use the elimination process. It would not be A because research is not opinions, it is facts. It would not be B because that answer is simply absurd. It would not be D because that also makes no sense. So its C.
