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 rapid decrease in tensile strength and increase in ductility of a wrought metal is seen in which stage of annealing? 
Select and explain. 
A. Recovery stage, B. Recrystallisation stage, C. Grain growth stage, D. All of the above
B: Recrystallisation stage
Answer: B: Recrystallisation stage 
Explanation: None