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
Incubation period of Hepatitis A 
Select and explain. 
A. 15-50 days, B. 50-160 days, C. 2-3 weeks, D. None of the above
A: 15-50 days
Answer: A: 15-50 days 
Explanation: None