This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Bacteriology, Subject name: Microbiology
[{'content': 'Which of the following statement is true about Bacteroides \nSelect and explain. \nA. It is gram positive bacilli, B. It is strictly aerobic, C. It may cause peritonitis, D. Presence in stool culture indicates need for treatment', 'role': 'user'}, {'content': "Answer: C \nExplanation: It is a Gram-negative strictly anaerobic bacilli and is a common inhabitant of the intestinal tract. They may cause peritonitis. Reference: Textbook of Microbiology; Anathanarayan and paniker's; 10th edition; Page no: 264", 'role': 'assistant'}]