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
[{'content': 'Cause of clostridium difficle associated diarrhea ? \nSelect and explain. \nA. Trauma, B. Dairy products, C. Fried rice, D. Antibiotic use', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., Antibiotic use", 'role': 'assistant'}]