The role of the Christian church and monasteries are the monks with Christian living and monks copied texts about medicine, astronomy, and law, as well as religious works.
Christianity is a significant religion based on Jesus of Nazareth's (the Christ, or the Anointed One of God) life, teachings, and death in the first century. Today it has grown into the world's largest religion and many people have faith in it.
Thus, Option B and D are correct.
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