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
Which of the following is the most common etiological agent in paranasal sinus mycoses? 
Select and explain. 
A. Aspergillus spp, B. Histoplasma, C. Conidiobolus coronatus, D. Candida albicans
A: Aspergillus spp
Answer: A: Aspergillus spp 
Explanation: Many different species of fungi are found to involve the paranasal sinuses, the more common being the Aspergillus, Alternaria, Mucor or Rhizopus. "Most common type of fungal infection of nose and parsnasal sinuses are due to Aspergillus, Aspergillus fumigatus, Aspergillus niger and Aspergillus flavus"