Answer:d. dissociative identity disorder.
Step-by-step explanation:
Dissociative identity disorder which was previously referred to as multiple Personality disorder occurs when a person create other personality states as a way of coping with a traumatic situation that they had faced in their early childhood such as constant sexual abuse.
These personality states help the person fight the memories of what happened to them as they help them disconnect fro those thoughts ,feeling that brings up that past experience.
This dissociative state is a way of creating a coping mechanism that will take them away from what had happened before in their lives.
Some may create a personality that is way stronger than they were which tends to defend them.