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: Unknown
[{'content': 'Infection with Hepatitis B virus is associated with the appearance in the blood of all of the following except - \nSelect and explain. \nA. Hepatitis B antibody, B. Hepatitis B surface antigen, C. Core of the Dane particle, D. DNA polymerase activity', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans-C-Core of The Dane particle', 'role': 'assistant'}]