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
An 'Antiseptic' means - 
Select and explain. 
A. An agent applied on skin to eradicate pathogenic microbes, B. Used to sterilise inanimate objects, C. An agent which kills only bacteria but not spores, D. Kills all microorganism
A: An agent applied on skin to eradicate pathogenic microbes
Answer: A: An agent applied on skin to eradicate pathogenic microbes 
Explanation: None