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: Pathology
[{'content': 'Pro-inflammatory cytokines are:\n(A)IL-1\n(B)1L-2\n(C)IL- 4\n(D)IL- 6,\n(E)IL- 8 \nSelect and explain. \nA. ABC, B. CAB, C. ADE, D. BAC', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]