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: Unknown
Which is the medium used for Vibrio cholerae? 
Select and explain. 
A. Thayer—Martin medium, B. TCBS medium, C. Scirrow’s medium, D. Loeffler’s medium
B: TCBS medium
Answer: B: TCBS medium 
Explanation: None