Read the following statements:
$(a)$ The peripheral nervous system is divided into the somatic nervous system and the autonomic nervous system.
$(b)$ The central nervous system includes the brain and the spinal cord.
$(c)$ Afferent nerve fibers transmit impulses from the brain to the sensory organs.
How many of the above statements are incorrect?

• A
  $a$ and $c$
• B
  $b$ and $c$
• C
  $c$ only
• D
  None of these