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
Which of the following phase is virtually eliminated in high copper amalgam: 
Select and explain. 
A. Gamma-I phase, B. Gamma-II phase, C. Beta phase, D. None
B: Gamma-II phase
Answer: B: Gamma-II phase 
Explanation: None