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: Social & Preventive Medicine
[{'content': 'Uses of Chandler’s index for hookworm include all except \nSelect and explain. \nA. Assessment of endemicity, B. Monitoring mass treatment of community, C. Monitoring individual treatment, D. Comparison of worm load in different populations', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]