This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Microbiology
The selective medium for E Coli 0157 : H7 is? 
Select and explain. 
A. Thiosulfate citrate bile salt sucrose agar, B. Xylose Lysine Deoxycholate agar, C. sorbitol MorConkey agar, D. Thayer main agar
C: sorbitol MorConkey agar
Answer: C: sorbitol MorConkey agar 
Explanation: ref : HAZARIKA 4TH ED.