Which Statement About Nervous Systems Is NOT True

Which statement about nervous systems is NOT true?

A) The arthropod nervous system has ganglia that lie within the central nervous system.
B) Arthropods have a solid and dorsal nerve cord
C) The nerve cord of vertebrates has a segmental branching pattern.
D) In vertebrates, interneurons are only found in the central nervous systems..
E) In vertebrates only two neurotransmitters control the effector organ responses regulated by efferent neuronal terminals.