This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Bacteria, Subject name: Microbiology
[{'content': 'Which of the following predominant constituents of sulfur granules of Actinomycosis is \nSelect and explain. \nA. Organisms, B. Neutrophils and monocytes, C. Monocytes and lymphocytes, D. Eosinophils', 'role': 'user'}, {'content': "Answer: A \nExplanation: (Organism) (618-A7th)* The sulfure granules seen in case of Actinomycosis are actually bacterial colonies* These 'granules' or 'grains' are microcolonies of the etiological agents and their demonstration is of diagnostic value", 'role': 'assistant'}]