Answer:
B. dissociative identity disorder.
Step-by-step explanation:
Dissociative Identity Disorder (DID) is a disorder where there is more than one personality within a body who may or may not know the existence of each other but take the body at one point or another. A famous example of someone who had DID was Kim Noble, an artist. Some of the stories have been made into movies and DID can be caused since childhood due to emotional trauma.