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: Pathology
[{'content': "What is found on mid palatine raphe of a young child: \nSelect and explain. \nA. Eruption cyst., B. Bohn's nodule., C. Epstein pearl., D. All of the above.", 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]