This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Fungal infections, Subject name: Dental
[{'content': 'Fungi with no sexual stage: \nSelect and explain. \nA. Imperfect fungi, B. Phycomycetes, C. Basidiomycetes, D. Ascomycetes', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Fungi imperfecti also called as Deuteromycetes or Hyphomycetes is a provisional group of fungi whose sexual stages have not been identified.', 'role': 'assistant'}]