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
Which is "microaerophilic" 
Select and explain. 
A. Campylobacter, B. Vibrio, C. Bacteroides, D. Pseuoomnoas
A: Campylobacter
Answer: A: Campylobacter 
Explanation: Campylobacter