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: Microbiology
[{'content': 'Influenza is caused by \nSelect and explain. \nA. Orthomyxo virus, which is a DNA virus, B. Paramyxo virus, which is a RNA Virus, C. Paramyxo virus, which is a DNA Virus, D. Orthomyxo virus, which is a RNA virus', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]