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': 'Atraumatic Restorative Treatment (ART) technique utilises \nSelect and explain. \nA. Glass ionomer cement, B. Composite resin, C. Silver amalgam, D. Reinforced zinc oxide eugenol cement', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]