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: Anaesthesia
Which of the following is used as epidural anaesthetic agent commonly? 
Select and explain. 
A. Chloroprocaine, B. Lidocaine, C. Mepivacaine, D. All of the above
D: All of the above
Answer: D: All of the above 
Explanation: Commonly used sho- to intermediate-acting agents for epidural anesthesia include, Chloroprocaine Lidocaine Mepivacaine Longer acting agents include, Bupivacaine Levobupivacaine Ropivacaine Ref: Butterwoh IV J.F., Butterwoh IV J.F., Mackey D.C., Wasnick J.D., Mackey D.C., Wasnick J.D. (2013). Chapter 45. Spinal, Epidural, & Caudal Blocks. In J.F. Butterwoh IV, J.F. Butterwoh IV, D.C. Mackey, J.D. Wasnick, D.C. Mackey, J.D. Wasnick (Eds), Morgan & Mikhail's Clinical Anesthesiology, 5e.