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
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. 
Select and explain. 
A. CMV, B. Polio, C. HPV, D. Influenza
A: CMV
Answer: A: CMV 
Explanation: CMV