The Initial Reason That the Geocentric Model for the Solar

The initial reason that the geocentric model for the solar system began to be discarded after the fifteenth century a.d.was that:

A) observations by spacecraft proved that all planets orbit the Sun.
B) the invention of the telescope provided observations that were in better agreement with a heliocentric model.
C) Isaac Newton was able to derive all planetary motion from one universal law of gravity.
D) the heliocentric model is conceptually simpler.