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': '% of HIV infection in child of a HIV +ve mother is : \nSelect and explain. \nA. 20 – 30%, B. 10 – 20%, C. 70 – 80%, D. 100%', 'role': 'user'}, {'content': 'Answer: A \nExplanation: It is 13 -\xa050%.', 'role': 'assistant'}]