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
[{'content': 'All are true for conversion reaction except - \nSelect and explain. \nA. Secondary gain, B. Onset in late age, C. Patient does not consciously produce symptoms, D. Relation with stress', 'role': 'user'}, {'content': 'Answer: B \nExplanation: The onset of conversion disorder is generally from late childhood to early adulthood and is rare before 10 years of age or after 35 years of age.', 'role': 'assistant'}]