The option which best explains how point of view affects a piece of literature is B. it determines how limited, or complete, a reader's understanding of the story will be. Although even this is not really correct, it is the best answer out of all of these. The point of view in a piece of literature can be limited or omniscient, meaning that you can either have somewhat of an insight into the characters' minds within a novel, or a complete insight where you will know everything they do. So, based on the point of view, you will understand much or everything.