This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
[{'content': "Fournier's gangrene is seen in \nSelect and explain. \nA. Nose, B. Scrotal skin, C. Oral cavity, D. All are true", 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ref Robbins 7/e p21;8/e p15;9/e p43', 'role': 'assistant'}]