Which is true on the subarachnoid space in the vertebral canal

A:up to subarachnoid space in the skull by the foramen magnum B:down the the height of the fifth sacral vertebral C:lies between dura matter and arachnoid D:terminal cistern is formed by the space below the second sacral vertebral E:the fluid in it cancommunicate with that in the center canal of spinal cord directly

vertebral-basilar syndrome

Which ligament associate with the lamina of vertebral arch adjacently （）.

A:anterior longitudinal ligament B:posterior longitudinal ligament C:interspinal ligament D:ligamenta flava E:supraspinal ligament

Which ligament associate with the lamina of vertebral arch adjacently （）.

A:anterior longitudinal ligament B:posterior longitudinal ligament C:interspinal ligament D:ligamenta flava E:supraspinal ligament

Which ligament associate with the lamina of vertebral arch adjacently （）.

A:anterior longitudinal ligament B:posterior longitudinal ligament C:interspinal ligament D:ligamenta flava E:supraspinal ligament

Which ligament associate with the lamina of vertebral arch adjacently （）.

A:anterior longitudinal ligament B:posterior longitudinal ligament C:interspinal ligament D:ligamenta flava E:supraspinal ligament