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: Pathology
Which of the following does not have a viral etiology? 
Select and explain. 
A. Burkitt's lymphoma, B. Nasopharyngeal carcinoma, C. Hodgkin's lymphoma, D. Hepatocellular carcinoma
C: Hodgkin's lymphoma
Answer: C: Hodgkin's lymphoma 
Explanation: None