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
Para amino benzoic acid of breast milk prevent the infection of – 
Select and explain. 
A. Plasmodium vivax, B. Kleibsella-pneumonia, C. Giardia, D. E.coli
A: Plasmodium vivax
Answer: A: Plasmodium vivax 
Explanation: None