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: Surgery
Which among the following should be the last resort for giving L.A technique to the patient 
Select and explain. 
A. Intrapulpal, B. Intraligamentary, C. Intraosseous, D. Infiltration
A: Intrapulpal
Answer: A: Intrapulpal 
Explanation: None