This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Microbiology
[{'content': 'Which of the following is the most common etiological agent in paranasal sinus mycoses ? \nSelect and explain. \nA. Aspergillus spp, B. Histoplasma, C. Conidiobolus coronatus, D. Candida albicans', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]