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': 'A sporangium contains - \nSelect and explain. \nA. Spherules, B. Sporangiospores, C. Chlamydospores, D. Conidia', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Asexual spores of Phycomycetes (lower fungi), called sporangiospores contained within swollen sac-like structures called sporangia.', 'role': 'assistant'}]