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
In HIV infected individual , Gram stain of lung aspirate shows yeast like morphology. All of the following are the most likely diagnosis except - 
Select and explain. 
A. Candida tropicalis, B. Cryptococcus neoformans, C. Pencillium marneffi, D. Aspergillus fumigatus
D: Aspergillus fumigatus
Answer: D: Aspergillus fumigatus 
Explanation: Cryptococcus is yeast (GPRBYC: Gram positive round budding yeast cell) and candida (GPOBYC: Gram positive oval budding yeast cell) is yeast like fungus. Penicillium marneffi is a dimorphic fungi which can produce yeast like form (all dimorphic fungi have yeast form in host tissue). Aspergillus is neither a yeast nor yeast like. It is a mould (hyphae).