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': 'Reservoir of hookworm \nSelect and explain. \nA. Human being, B. Soil, C. Faces, D. Monkeys', 'role': 'user'}, {'content': 'Answer: A \nExplanation: .man is the only impoant reservoir of human hookworm infection.faeces containing the ova of hookworms is the infective material.as long a sthe person harbours the parasite ,the infectivity of the disease continues. ref:park&;s textbook,ed 22,pg no 221', 'role': 'assistant'}]