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
[{'content': 'Highest chance of transmission after needle stick injury is for - \nSelect and explain. \nA. Hepatitis B, B. Hepatitis C, C. Hepatitis D, D. hepatitis G', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]