Answer:
Option D.
Step-by-step explanation:
Rome continued as the center of the church, is the right answer.
Rome was the largest and the most important city of the Great Roman Empire, at the time when the Christian church was founded. Other cities such as London and others were not as large and important as Rome. Due to this, Rome took its place in Religion leadership along with its political leadership. The leadership of Rome in religion can be seen in the fact that even after the decline of the Western Roman Empire, the Roman Church and its leaders retained its leadership over the other churches.