The following nerves which damaged may result in foot drop （）.

单项选择题Which artery is palpable deep to the ingunal ligament （）.

A．anterior tibial a.
B．femoral a.
C．politeal a.
D．profunda femoris artery
E．peroneal a.

单项选择题Thoracic vertebrae：（）.

A．have transverse foramen
B．have costal fovea on the vertebral body laterally
C．the articular facets are relatively sagittal
D．the end of the spinous process bifurcated
E．the vertebral foramen is larger and triangular