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
Which of the following is false: 
Select and explain. 
A. Cluster C: Borderline personality disorder, B. Cluster B: Antisocial personality disorder, C. Cluster C: Obsessive compulsive personality disorder, D. Cluster B: Histrionic personality disorder
A: Cluster C: Borderline personality disorder
Answer: A: Cluster C: Borderline personality disorder 
Explanation: Borderline personality disorder is a Cluster B personality disorder.