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 not true about vibrio cholera 
Select and explain. 
A. It is non-halophilic, B. Grows on simple media, C. Man is the only natural host, D. Cannot survive in extracellular environment
D: Cannot survive in extracellular environment
Answer: D: Cannot survive in extracellular environment 
Explanation: None