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
Which of the following has malignant potential: 
Select and explain. 
A. HSV -1, B. EBV, C. CMV, D. Varicella
B: EBV
Answer: B: EBV 
Explanation: Ans. (b) EBV Ref. jawetz 25/e, p 592, 27/e, p 620 Already explained, refer Ans. 46