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: Biochemistry
[{'content': 'Aniacinosis results in \nSelect and explain. \nA. Perleche, B. Bed ben, C. Pellagra, D. Nyctalopia', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]