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
IL1 antagonist is ? 
Select and explain. 
A. Anakinra, B. Abatacept, C. Adalimumab, D. Leflunomide
A: Anakinra
Answer: A: Anakinra 
Explanation: Ans. is 'a' i.e., Anakinra