The nerves leading to the central nervous system are
Afferent
The correct option is B.
Explanation of the correct option:
The nerves which transmit information to the central nervous system i.e., to the brain and spinal cord are known as sensory or afferent nerves.
Explanation of the incorrect options:
Option A:
Efferent neurons bring responses from the brain toward receptors or other organs.
Option C:
Motor nerves send signals from the CNS usually from the spinal cord to the muscles of the body.
Final answer: The nerves leading to the central nervous system are Afferent.