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: Dental
[{'content': 'A preschool child has a definite yellow pigmentation\nof the primary teeth. Under ultraviolet light, the teeth\nhave a faint overall yellow-green autofluorescence.\nThe most likely diagnosis is \nSelect and explain. \nA. Amelogenesis imperfecta, B. Hypoplasia of the primary teeth, C. Pigmentation associated with Erythroblastic fetalis, D. Tetracycline pigmentation', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]