This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Epidemiology, Subject name: Social & Preventive Medicine
[{'content': 'In Advanced epidemiological triangle, Agent is replaced by:- \nSelect and explain. \nA. Determinant risk factors, B. Causative bacterium / virus, C. Causative factors, D. Determinant factors', 'role': 'user'}, {'content': 'Answer: C \nExplanation: - In advanced epidemiological triad, agent is replaced by causative factors. - Advanced model of epidemiological triangle', 'role': 'assistant'}]