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
Trisodium phosphate added to alginate contributes towards: 
Select and explain. 
A. Increasing the working time of alginate impression material, B. Acts as an accelerator, C. Initiating the setting reaction, D. Provides gel strength
A: Increasing the working time of alginate impression material
Answer: A: Increasing the working time of alginate impression material 
Explanation: None