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: Physiology
Abdominal visceral pain is transmitted by: 
Select and explain. 
A. A-fibers, B. C-fibers, C. Parasympathetic fibers, D. Sympathetic fibers
D: Sympathetic fibers
Answer: D: Sympathetic fibers 
Explanation: None