Define a Nerve Plexus Trunk and Cord

Define a nerve plexus trunk and cord.

A) A nerve plexus trunk is a large bundle of axons from several spinal nerves; a nerve plexus cord is a smaller branch of nerves that originates at a trunk.
B) A nerve plexus trunk is a small bundle of axons from several spinal nerves; a nerve plexus cord is a larger branch of nerves that originates at a trunk.
C) A nerve plexus trunk consists of the posterior rami of each spinal nerve; a nerve plexus cord is a division of each trunk.
D) A nerve plexus trunk is a small division of a nerve plexus cord; a nerve plexus cord is a larger branch from the posterior rami of spinal nerves.
E) A nerve plexus trunk consists of the posterior rami of spinal nerves; a nerve plexus cord consists of the anterior rami of spinal nerves.