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
[{'content': 'The selective medium for E Coli 0157 : H7 is? \nSelect and explain. \nA. Thiosulfate citrate bile salt sucrose agar, B. Xylose Lysine Deoxycholate agar, C. sorbitol MorConkey agar, D. Thayer main agar', 'role': 'user'}, {'content': 'Answer: C \nExplanation: ref : HAZARIKA 4TH ED.', 'role': 'assistant'}]