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
Setting time of fast setting alginate: 
Select and explain. 
A. 3-4.5 minutes, B. 1.5-3 minutes, C. 1-2 minutes, D. 2.5-3.5 minutes
B: 1.5-3 minutes
Answer: B: 1.5-3 minutes 
Explanation: Setting time of Fast-setting alginate = 1.5 to 3 min
Setting time of Normal-setting alginate = 3 to 4.5 min