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
Dimorphic fungus is 
Select and explain. 
A. Histoplasma, B. Crytococcus, C. Mucor, D. Aspergillus
A: Histoplasma
Answer: A: Histoplasma 
Explanation: Cryptococcus - yeast Aspergillus and mucor are moulds