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
[{'content': 'Aspergillus hyphae branch at what angle - \nSelect and explain. \nA. 45deg, B. 60-90deg, C. 90-120deg, D. None', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., 45deg", 'role': 'assistant'}]