This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Schizophrenia and other psychotic disorders, Subject name: Psychiatry
[{'content': 'Which of the following is not true regarding delusional disorder \nSelect and explain. \nA. Social isolation, B. Occurs at early age, C. Sensory impairment, D. Recent immigration', 'role': 'user'}, {'content': "Answer: B \nExplanation: Risk factors of delusional disorder:- * Advancing age * Sensory loss * Recent immigration * Social isolation * Family history * Personality traits Ref:- Kaplan & Sadock's Synopsis of Psychiatry 10th edition; Pg num:- 432", 'role': 'assistant'}]