Which of the Following Statements Is True of Sciatica

Which of the following statements is true of sciatica?

A) It is a complication of spondylolysis, often resulting in hypermobility of a vertebral segment.
B) It refers to a degeneration of the vertebrae and, more commonly, a defect in the articular processes of the vertebrae.
C) It produces a sharp shooting pain that follows the nerve pathway along the posterior and medial thigh.
D) It usually creates centrally located pain that radiates on one side to the buttocks and down the back of the leg.