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': "Prospective screening is \nSelect and explain. \nA. Person screened for his own benefit, B. Person screened for other's benefit, C. Neonatal screening is prospective screening, D. None of the above", 'role': 'user'}, {'content': "Answer: B \nExplanation: Prospective screening\xa0→ Person screened for other's benefit.\nEg: Screening for immigrants, Screening for corona virus.\nPerspective screening\xa0→ Person screened for his own benefit.\nEg: Neonatal screening, Mammography for breast tumour.", 'role': 'assistant'}]