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': 'Alcohol absorption leads to deficiency of which \nvitamin? \nSelect and explain. \nA. Vitamin A, B. Vitamin B2, C. Vitamin B12, D. Vitamin B3', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]