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': 'Among the choices mentioned below is a member of family Herpesviridae. It is an enveloped virus with an icosahedral nucleocapsid that contains a double-stranded linear DNA genome. \nSelect and explain. \nA. CMV, B. Polio, C. HPV, D. Influenza', 'role': 'user'}, {'content': 'Answer: A \nExplanation: CMV', 'role': 'assistant'}]