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': 'EAC rosette formation is the propey of one of the following type of immune cells ? \nSelect and explain. \nA. T-cells, B. B-cells, C. Macrophages, D. All of the above', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a'", 'role': 'assistant'}]