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': 'Clostridium tetani are following type of bacteria \nSelect and explain. \nA. Spore bearing aerobes, B. Non sporing aerobes, C. Spore bearing anaerobes, D. Non sporting anaerobes', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]