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': 'Strip crowns are indicated in pediatric patients with \nSelect and explain. \nA. Extensive caries in anterior teeth, B. Extensive caries in posterior teeth, C. Ellis class I fracture, D. Grossly destructed anterior teeth', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]