This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Psychiatry
A person having the habit of repeated self inflicted injuries, what is the type of personality - 
Select and explain. 
A. Borderline personality disorder, B. Schizoid personality disorder, C. Histrionic personality disorder, D. Narcissistic personality disorder
A: Borderline personality disorder
Answer: A: Borderline personality disorder 
Explanation: None