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': 'Most mucostatic among the following \nSelect and explain. \nA. Impression compound, B. Alginate, C. ZOE paste, D. Elastomer', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]