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: Pathology
[{'content': 'Periportal fatty infiltration of the liver is seen with- \nSelect and explain. \nA. Alcoholism, B. Viral hepatitis, C. Malnutrition, D. Tetracycline', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Causes of periportal fatty infiltration\n\nLow protein diet\nTotal parenteral nutrition\nLangerhans cell histiocytosis.', 'role': 'assistant'}]