Identify the origin of sympathetic nerve fibres and the location of their ganglia
A. They arise from thoraco-lumber region of spinal cord and form ganglia just beside the vertebral column
B. They arise from thoraco-cervical region of spinal cord and form ganglia just beside the vertebral column
C. They arise from thoraco-sacral region of spinal cord and form ganglia very close effector organ
D. They arise from thoraco-lumber region of spinal cord and form ganglia very close effector organ