Which Description Best Fits the Central Nervous System (CNS)

Which description best fits the Central Nervous System (CNS) ?

A) Consists of the brain and spinal cord, located in the midline of the body.
B) Consists of the brain and spinal cord, connecting the muscles and the brain.
C) Consists of the spinal cord, located in the midline of the body.
D) Consists of the brain and spinal cord, located on the edges of the body.
E) Transmits sensory impulses to the PNS and motor impulses to the brain.