This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: mycology, Subject name: Microbiology
[{'content': 'Cryptococcus neoformans is a \nSelect and explain. \nA. Protozoa, B. Fungus, C. Parasite, D. Mycoplasma', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Cryptococcus is a yeast. They possess rigid cell wall containing chitin, mannan and another polysaccharide. The cytoplasmic membrane contains sterols, cytoplasm contains true nuclei with nuclear membrane mitochondria and endoplasmic reticulum. They reproduced by budding. It is unicellular. Ref: Textbook of Microbiology, Ananthanarayan and Paniker; 9th edition', 'role': 'assistant'}]