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': 'True about campylobacter: \nSelect and explain. \nA. Polar flagella, B. Grows at 25degC, C. Strict aerobe, D. Psychrophilic', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is. 'a' i. e., Polar flagella", 'role': 'assistant'}]