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': 'Calcium hydroxide is preferred to ZOE fillings below a\ncomposite resin restoration as: \nSelect and explain. \nA. Calcium hydroxide forms a calcific bridge, B. Eugenol irritates the inflamed pulp, C. Eugenol interferes with the setting of composite resins, D. None of the above', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]