This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Regional anaesthesia, Subject name: Anaesthesia
Which of the following nerves are affected after spinal anesthetic block 
Select and explain. 
A. Motor and sensory only, B. Sensory and autonomic nerve only, C. Sensory nerves only, D. Sensory autonomic and motor nerves
D: Sensory autonomic and motor nerves
Answer: D: Sensory autonomic and motor nerves 
Explanation: Spinal anesthetic block affect sensory autonomic and motor nerve