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': 'Quantum of Radiation advocated at point in carcinoma cervix – \nSelect and explain. \nA. 1000 cGy, B. 2000 cGy, C. 5000 cGy, D. 8000 cGy', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Point A\xa0→\xa08000 rad (8000 cGy)\nPoint B\xa0→\xa05000 rad (5000 cGy)', 'role': 'assistant'}]