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
Micro organism motile at 25° C but not motile at 37° C 
Select and explain. 
A. Listeria monocytogens, B. Campylobacter, C. Yersinia pestis, D. Streptococcus agalactiae
A: Listeria monocytogens
Answer: A: Listeria monocytogens 
Explanation: None