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
Active GP consists of 
Select and explain. 
A. GP with calcium hydroxide, B. GP with ZOE, C. GP with glass ionomer, D. GP with zinc phosphate
C: GP with glass ionomer
Answer: C: GP with glass ionomer 
Explanation: None