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': 'Oprelvekin is a \nSelect and explain. \nA. IL - 1 analogue, B. IL - 6 analogue, C. IL - 11 analogue, D. IL - 13 analogue', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Oprelvekin is a IL - 11 analogue that stimulates thrombopoiesis used in thrombocytopenia due to chemotherapy.', 'role': 'assistant'}]