This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General, Subject name: Skin
[{'content': 'Trichophyton infects: \nSelect and explain. \nA. Skin + nail, B. Skin + hair, C. Hair + nail, D. Skin +hair+ nail', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans: (d) Skin + Hair + NailRef: Roxburg 17th ed. / 39* Trichophyton Infects skin, hair & nail.* Infecting species include:# Trichophyton rubrum, Memtangrophyte, Violaceum, Verrucosum and Schoenleinii.', 'role': 'assistant'}]