I think the answer answer is a because he doesn't back any of his claims.
also the other ones would be so it must be A
It was important in the development of astronomy and science because it was the first model that aimed to predict how the planets move in their orbits. Despite being a complicated mix of circles and epicycles it was not a bad model and it worked well for at least 1500 years until observations became accurate enough to show its imperfections
Err it should be all of the above !!
