Copernicus's Model of the Universe as Expounded in on the Revolutions

Multiple Choice

Copernicus's model of the universe as expounded in On the Revolutions of the Heavenly Spheres

A) discarded the idea of crystalline spheres in which heavenly objects were embedded.
B) included elliptical orbits for the planets.
C) discarded all of the Ptolemaic epicycles.
D) included the perfectly circular orbits of the Aristotelian-Ptolemaic system.
E) discarded Aristotle's theory of motion.