This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: parasitology, Subject name: Microbiology
[{'content': 'Which of the following is toxic to parasite - \nSelect and explain. \nA. Peroxidase, B. Interferon, C. IL-2, D. IL-6', 'role': 'user'}, {'content': 'Answer: A \nExplanation: peroxidase is toxic to parasites', 'role': 'assistant'}]