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': 'In Chronic Viral Hepatitis: \nSelect and explain. \nA. Hepatitis A virus infection is a common cause inchildren, B. Morphological classification into Chronic ActiveHepatitis and Chronic Persistent Hepatitis areimpoant, C. Fatty change is pathognomic of Hepatitis C virusinfection, D. Grading refers to the extent of necrosis andinflammations', 'role': 'user'}, {'content': 'Answer: D \nExplanation: . Grading refers to the extent of necrosis andinflammations', 'role': 'assistant'}]