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 cements are not be used to cement acrylic temporary crown: 
Select and explain. 
A. Zinc oxide eugenol, B. Zinc phosphate, C. Glass ionomer, D. None of the above
C: Glass ionomer
Answer: C: Glass ionomer 
Explanation: None