The answer to this is A. Vampire Academy. This is a movie about Rose who is half human and half vampire. She has a best friend named Lissa who is also known to be a vampire princess. They are both known to be peaceful vampires and they feel that they are protected within the walls of their school. The problem starts when there are some outside forces who would like to eliminate Lissa.
This is a film that is targeted more towards the young adult crowd. Some people are fascinated with vampires because of different reasons. Some like it because they want to be like vampires while others just like the fact that vampires are creatures that may truly exist.