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: Microbiology
[{'content': 'Function of T-lymphocyte is/are - \nSelect and explain. \nA. Production of interferon, B. Lymphokine production, C. Rosette formation, D. All of the above', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., All of the above", 'role': 'assistant'}]