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': 'All the following fungi are thermally dimorphic except \nSelect and explain. \nA. Sporothrix schenkii, B. Cryptococcus neoformans, C. Blastomycosis dermatitidis, D. Histoplasma capsulatum', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Cryptococcus is a yeast. All others exist as yeast in the host tissue and in culture at 37C and as mycelial form in the soil and culture at 25C Reference: Textbook of Microbiology; Baveja; 4th edition', 'role': 'assistant'}]