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: Pharmacology
[{'content': 'Denileukin diftitox binds to : \nSelect and explain. \nA. IL-1, B. IL-2, C. IL-4, D. IL-5', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Denileukin diftitox binds to IL-2 receptors on CD8 cells and causes death of the cells by diptheria toxin.\nIt is used in the treatment of Cutaneous T-cell lymphoma.', 'role': 'assistant'}]