Answer:
A.
Step-by-step explanation:
The Byzantine Empire was founded by Constantine 1, the Roman emperor in 330 CE. The Byzantine empire had its beginning when Constantine decided to shift the capital of Roman to Byzantium city from Rome.
The Byzantine Empire was the continuation of the Roman empire in the East. Though Roman empire failed in the west but was continued in the east in the form of Byzantine empire. Just like Rome's religion was changed to Christianity, Byzantine' city's religion was also officially changed to Christianity.
The Byzantine Empire was formed in the Classical era or period (8th century Bc to 6th century AD), according to the timeline, and lasted up to the post-classical era (500 CE-1500 CE). The empire of Byzantine fall in 1453 CE with the Ottoman Conquest.
So, the correct answer is option A.