What Made the Christian New Testament a Powerful Influence for Centuries

What made the Christian New Testament a powerful influence for centuries after Jesus?

A) The Gospels are testimonials of faith that did not depend on eyewitness evidence.
B) Other Greek and Roman writings confirmed all of the main points of the Christian writings.
C) Most people around the Mediterranean continued to speak Greek for centuries after Jesus.
D) Christian writings confirmed Jewish expectations that the Messiah would be a political rather than a spiritual leader.
E) Paul made the historical Jesus he had personally known the center of the faith.