This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nose and paranasal sinuses, Subject name: ENT
Which of the following is the most common etiological agent in parNasal sinus mycoses: 
Select and explain. 
A. Aspergillus, B. Histoplasma, C. Conidiobolus coronatus, D. Candida albicans
A: Aspergillus
Answer: A: Aspergillus 
Explanation: Most common type of fungal infection of nose and paranasal sinuses are due to aspergillus. A.fumigatus>A.niger>A.flavus are the most frequent offenders. Ref Maqbool 11/e,p 255.