This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Concept of health and disease, Subject name: Social & Preventive Medicine
[{'content': 'Epidemiological Web of Causation theory was given by \nSelect and explain. \nA. Louis Pasteur, B. Robe Koch, C. McMahon and Pugh, D. None', 'role': 'user'}, {'content': "Answer: C \nExplanation: The 'web of causation' considers all the predisposing factors of any type and their complex interrelationship with each other. Ref: 25th edition, Park's Textbook of Preventive and Social Medicine, Page no. 41", 'role': 'assistant'}]