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': "Deformation that is recovered upon removal of an externally applied force or pressure is known as \nSelect and explain. \nA. Young's modulus, B. Plastic strain, C. Elastic strain, D. Flexural strain", 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]