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
A diabetic person presents with multiple abscess in leg. Microscopic examination of pus shows gram (-)ve bacilli. On staining with methylene blue bacteria shows bipolar staining. The most likely causative agent is: 
Select and explain. 
A. B. pseudomallei, B. Y. Pestis, C. Pseudomonas mallei, D. Botromycosis
A: B. pseudomallei
Answer: A: B. pseudomallei 
Explanation: Ans. is. 'a' i. e., B. pseudomallei