Preganglionic Neurons of the Sympathetic Nervous System Are Located in the

Preganglionic neurons of the sympathetic nervous system are located in the

A) gray matter of the cervical region of the spinal cord.
B) gray matter of the cervical and thoracic region of the spinal cord.
C) gray matter of segments TI to L2 of the spinal cord.
D) gray matter of segments TI to L5 of the spinal cord.
E) gray matter of segments TI to S2 of the spinal cord.