Im not 100% sure but i think its A let me know :)
Answer:
Just as the Byzantine empire represented the political continuation of the Roman Empire, Byzantine art developed out of the art of the Roman empire, which was itself profoundly influenced by ancient Greek art. Byzantine art never lost sight of this classical heritage.
Explanation:
Plaster is what they put it in usually they rarely used semen
1. A
2. B
3. C
4. C
5. A and B
(4 and 5 I am pretty sure of, judging from the images, but make sure that you think that yourself as well...)