How did the Renaissance rediscovery of the work of Egyptian astronomer Ptolemy help start the Scientific Revolution?

How did the Renaissance rediscovery of the work of Egyptian astronomer Ptolemy help start the Scientific Revolution?

a. Ptolemy’s system no longer seemed to work with what scientists were observing, and scientists began to look for other theories.
b. Scientists were forbidden to read Ptolemy.
c. Scientists wanted to prove that Ptolemy’s theory of the universe was correct.
d. Scientists discovered new writing by Ptolemy.