This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: FMGE 2018, Subject name: Anaesthesia
Shoest action local anaesthetic: 
Select and explain. 
A. Procaine, B. Cocaine, C. Dibucaine, D. Chloroprocaine
D: Chloroprocaine
Answer: D: Chloroprocaine 
Explanation: Shoest Acting LA Chlorprocaine Longest acting LA Dibucaine