The point of view used in Through the Tunnel is First person. In first person point of view the narrator is one of the characters in the story and narrates the story from his own observation. He may be the main character (protagonist), an observer, a minor character or the writer himself.
Well can I please see what is the question so then I can answer it if u don’t mind
I believe it is D. Just from context
The Authors Purpose Is About HEr Making A Brighter Future