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': 'Which of the following is a property of viscoelastic material? \nSelect and explain. \nA. Strain instantaneously during rapid stretching, B. Strain linearly over time when a stress is applied slowly, C. Both, D. None', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Viscoelasticity\xa0— The ability of a material to strain instantaneously like an elastic solid during rapid stretching or to resist shear flow and to strain linearly over time (like honey) when a stress is applied slowly.\nRef: Phillip’s Science of Dental Materials ed 12 page no. 152', 'role': 'assistant'}]