This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Immunology, Subject name: Microbiology
[{'content': 'Interleukin I primarily acts on - \nSelect and explain. \nA. T-lymphocytes, B. B-lymphocytes, C. Neutrophils, D. Macrophages', 'role': 'user'}, {'content': 'Answer: A \nExplanation: The immunological effect of IL1 include stimulation of T cells for the production of IL2 and other lymphokines REF:Ananthanarayan & Panikers textbook of Microbiology 9th Edition pg:154', 'role': 'assistant'}]