The Planets All Lie in Nearly the Same Plane Resulting

Multiple Choice

The planets all lie in nearly the same plane resulting in a disk-like structure for the solar system.This disk-like structure is believed to exist because

A) the original solar nebulae had a disk-like structure.
B) in a rotating disk the gas atoms will quickly fall to the central disk of the spherical cloud.
C) Jupiter's gravity was great enough to pull all of the other planets to the plane of its orbit.
D) planetesimals settled into the plane.
E) the sun's magnetic field slowed down the rotation of the solar nebula.