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
Homologous serum jaundice is a disease caused by hepatitis: 
Select and explain. 
A. Virus A, B. Virus B, C. Virus C, D. None of these
B: Virus B
Answer: B: Virus B 
Explanation: Homologous serum jaundice is a disease caused by hepatitis virus B.