This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Virology, Subject name: Microbiology
[{'content': 'True about hepatitis A virus - \nSelect and explain. \nA. Causes cirrhosis, B. Helps HDV replication, C. Common cause of hepatitis in children, D. Causes chronic hepatitis', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Hepatitis A leads to cirrhosis of the liver REF:ANANTHANARAYANAN TEXTBOOK OF MICROBIOLOGY 9EDITION PGNO.541', 'role': 'assistant'}]