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: Medicine
All the following hepatitis viruses are transmitted by parenteral route except- 
Select and explain. 
A. Hepatitis B virus, B. Hepatitis C virus, C. Hepatitis D virus, D. Hepatitis E virus
D: Hepatitis E virus
Answer: D: Hepatitis E virus 
Explanation: None