What is the significance of the shift from Saul to Paul? 
a) It symbolizes Saul's transformation from a persecutor of Christians to a follower of Christ. 
b) It signifies Saul's rejection of his Jewish heritage in favor of a Roman identity. 
c) It represents Saul's adoption of a new persona to avoid persecution. 
d) It suggests a change in Saul's social status or rank within the Jewish community.