Answer :
The difference between Christian priests in Western Europe and those in Eastern Europe by the 11th century is that Priests could marry in the East, and in the West they were supposed to remain celibate.
What is Western Christianity?
It incorporated the Catholic Church and the Protestant Church, The Catholic Church has the biggest followers on the planet with more than 1.29 billion individuals while the Protestant Church is made out of numerous groups all through the world and has its underlying foundations from the Catholic Church.
What is Eastern Christianity?
It is known as Eastern Orthodox Church which was a group of 13 free national congregations situated at better places in the Western Hemisphere of Europe. Those chapels are similar in teachings, holy observances, and church government; however, each handle its own particular matters.
In an overview, the difference between Christian priests in Western Europe and those in Eastern Europe by the 11th century is that Priests could marry in the East, and in the West they were supposed to remain celibate.
Therefore, the Option C is correct
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