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': 'All are true regarding disinfectants except -a) Gluteraldehyde is sporicidalb) Hypochlorites are virucidalc) Ethylene oxide is intermediate disinfectantd) Phenol usually requires oganic matter to act \nSelect and explain. \nA. cd, B. bc, C. bd, D. ac', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]