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': 'KLB another name is - \nSelect and explain. \nA. Corynebacterium diphtheriae, B. Corynebacterium pseudodiphtheriae, C. Clostridium tetani, D. Anthrax', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is `a' i.e., Corynebacterium diphtheriae C. diphtheriae is also known as the Klebs-Loeffler bacillus (KLB).", 'role': 'assistant'}]