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
Atypical pneumonia can be caused by the following microbial agents except - 
Select and explain. 
A. Mycoplasma, B. Legionella pneumophila, C. Human corona virus, D. Klebsiella pneumoniae
D: Klebsiella pneumoniae
Answer: D: Klebsiella pneumoniae 
Explanation: None