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': 'Adoptive immunity is by - \nSelect and explain. \nA. Infection, B. Injection of antibodies, C. Injection of lymphocytes, D. Immunization', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Injection of lymphocytes", 'role': 'assistant'}]