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
Bacteria with safety pin appearance: 
Select and explain. 
A. H. influenzae, B. Vibrio parahaemolyticus, C. Vibrio vulnificus, D. Salmonella paratyphi
B: Vibrio parahaemolyticus
Answer: B: Vibrio parahaemolyticus 
Explanation: Ans. is. 'b' i. e., Vibrio parahaemolyticus