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
[{'content': 'Which drug would treat both dermatophytosis and candidal infections ? \nSelect and explain. \nA. Ketoconazole, B. Griseofulvin, C. Nystatin, D. Tolnaftate', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]