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: Pharmacology
Ketoconazole: 
Select and explain. 
A. Antifungal agent, B. Antibacterial, C. Antiviral agent, D. Chemotherapeutic agent
A: Antifungal agent
Answer: A: Antifungal agent 
Explanation: None