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: ENT
[{'content': 'Fordyce spots are from \nSelect and explain. \nA. Sabaceous glands, B. Sweat glands, C. Endocrine glands, D. Mammary glands', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]