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: Pediatrics
[{'content': 'Perinatal prevention of mother to child, which of the following steps are useful – \nSelect and explain. \nA. Elective Caesarian section, B. Avoid breast feeding, C. ART prophylaxis, D. All of these', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]