All of the Following Are True of Copernicus Except That

All of the following are true of Copernicus except that

A) his findings helped with calendar reform.
B) his work appealed to other astronomers in part because it was useful.
C) he stated that heliocentrism was a fact rather than a mathematical construct.
D) he did not resolve all the problems raised by his system.
E) he never asserted that the earth moved around the sun.