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
Rapid removal of rubber impressions with a single firm motion results in 
Select and explain. 
A. Reduced dimensional instability, B. Improved adhesion of the impression to the tray, C. Minimal permanent deformation, D. Reduced contamination by saliva
C: Minimal permanent deformation
Answer: C: Minimal permanent deformation 
Explanation: None