Define Spinal Reflex

Define spinal reflex.

A) A spinal reflex is a slow,calculated response of the spinal cord following exposure to a single specific stimulus.
B) A spinal reflex is a slow,calculated response of the spinal cord following repeated exposure to specific stimuli.
C) A spinal reflex is a slow,calculated action involving input from the brain triggered by specific stimuli.
D) A spinal reflex is an automatic response to a stimulus that is controlled in the spinal cord and can function without input from the brain.
E) A spinal reflex is when sensory inputs are sent quickly by the spinal cord to the brain for analysis before any response occurs.