This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Personality disorders, Subject name: Psychiatry
[{'content': 'Type C personality disorder \nSelect and explain. \nA. Avoidant personality disorder, B. Histronic personality disorder, C. Paranoid personality disorder, D. Narcissistic personality disorder', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Cluster C has disorders considered "anxious and fearful" and characterised by "introversion". These include Anxious (Avoidant), Dependent and Obsessive Compulsive (or Anankastic) personality disorders. Ref: A Sho Textbook of Psychiatry, Niraj Ahuja, 7th Edition, pg. no. 113', 'role': 'assistant'}]