This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nutrition, Subject name: Pediatrics
[{'content': 'Para amino benzoic acid in breast milk prevents the infection of \nSelect and explain. \nA. Plasmodium vivax, B. Kleibsella-pneumonia, C. Giardia, D. E.coli', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Para-amino-benzoic acid(PABA) of breast milk provides protection against malaria.Ref: Page 97; Ghai essential pediatrics; 6th edition', 'role': 'assistant'}]