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
Sweet technique is: 
Select and explain. 
A. Multi visit formocresol pulpotomy., B. Single sitting formocresol pulpotomy., C. Partial pulpotomy., D. None.
A: Multi visit formocresol pulpotomy.
Answer: A: Multi visit formocresol pulpotomy. 
Explanation: None