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
Which of the following is most susceptible to local anaesthetics? (OR) Sensitivity to hot in chronic pulpitis indicates stimulation of following fibers (OR) Radiating pain from pulp transmitted by (OR) Sensitivity to local anaesthetics is greater in: 
Select and explain. 
A. Aα fibres, B. Aβ fibres, C. Aδ fibres, D. C fibres
D: C fibres
Answer: D: C fibres 
Explanation: None