Which Is the Correct Description of the Sun's Location Within

Which is the correct description of the Sun's location within the Milky Way?

A) at the outer edge of the galactic bulge but in the plane of the disk
B) in the disk but at its outer edge
C) as Herschel found, very close to the Galactic center
D) above the disk and about one-third of the galactic radius from the center
E) in the disk and about one-half a galactic radius from the center