Why are many preganglionic fibers in the sympathetic nervous system short?

• A. Many preganglionic fibers in the sympathetic division synapse at the sympathetic trunk, which is close to the spinal cord.
• B. Many preganglionic fibers cannot carry signals long distances.
• C. Preganglionic fibers carry norepinephrine, which gets diminished over long distances.
• D. None of the above are true.