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: Medicine
[{'content': "A female child with virilization, hypertension with low plasma renin diagnosis is - \nSelect and explain. \nA. 21 α hydroxylase deficiency, B. 11β hydroxylase deficiency, C. 3β hydroxylase deficiency, D. Conn's syndrome", 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]