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
Sporicidal disinfectant is following except - 
Select and explain. 
A. Glutaraldehyde, B. Formaldehyde, C. Ethylene oxide, D. Benzalkonium chloride
D: Benzalkonium chloride
Answer: D: Benzalkonium chloride 
Explanation: None