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': 'Study of designing equipment and devices that fit the human body, its movements, and its cognitive abilities is \nSelect and explain. \nA. Economics, B. Bionomics, C. Socionomics, D. Ergonomics', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]