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
KLB another name is - 
Select and explain. 
A. Corynebacterium diphtheriae, B. Corynebacterium pseudodiphtheriae, C. Clostridium tetani, D. Anthrax
A: Corynebacterium diphtheriae
Answer: A: Corynebacterium diphtheriae 
Explanation: Ans. is `a' i.e., Corynebacterium diphtheriae C. diphtheriae is also known as the Klebs-Loeffler bacillus (KLB).