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
A diabetic patient present with bloody nasal discharge, orbital swelling and pain. Culture of periorbital pus showed branching septate hyphae. Which of the following is the most probable organism involved - 
Select and explain. 
A. Mucor, B. Candida, C. Aspergillus, D. Rhizopus
C: Aspergillus
Answer: C: Aspergillus 
Explanation: Septate hyphae with acute branching → Aspergillus
Non septate hyphae with obtuse branching → Rhizopus/mucor