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
All are true regarding pseudomonas aeruginosa, except: 
Select and explain. 
A. Oxidase positive, B. Polar flagellate, C. Ferments glucose forming acid and gas, D. Obligate aerobes
C: Ferments glucose forming acid and gas
Answer: C: Ferments glucose forming acid and gas 
Explanation: Ferments glucose forming acid and gas