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': 'Basal layer in primordial cyst is arranged in the form of: \nSelect and explain. \nA. Tennis racket, B. Picket fence, C. Linear, D. Irregular', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]