This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pathology
In children which of the following virus has been implicated in the pathogenesis of choroid plexus tumour? 
Select and explain. 
A. Simian virus 40, B. HIV, C. Herpes simplex, D. Hepa s B
A: Simian virus 40
Answer: A: Simian virus 40 
Explanation: Simian virus 40