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: Radiology
[{'content': 'SI unit of Absorption is: \nSelect and explain. \nA. Sv, B. Curie, C. Becquerel, D. Gy', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]