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
The superelastic property of the NiTi wire is due to 
Select and explain. 
A. Stress induced phase transition from the austenitic to the martensitic phase, B. Temperature induced phase transition from the martensitic to the austenitic phase, C. Stress induced phase transition from the martensitic to the austenitic phase, D. Temperature induced phase transition from the austenitic to the martensitic phase
A: Stress induced phase transition from the austenitic to the martensitic phase
Answer: A: Stress induced phase transition from the austenitic to the martensitic phase 
Explanation: None