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: Anatomy
Origin of sympathetic fibers ? 
Select and explain. 
A. Cranial, B. Sacral, C. Dorsolumbar, D. None
C: Dorsolumbar
Answer: C: Dorsolumbar 
Explanation: Ans. is 'c' i.e., Dorsolumbar