Answer:
D.) It is carved in sunken relief with figures below the surrounding stone.
Explanation:
Mesopotamian sculptures were intended to adorn the great architectural spaces, just like the paintings, and followed naturalistic and / or realistic patterns. Their main characteristic was the absence of movement, thus constituting hard and static sculptures.
Although some sculptures were produced in stone, most of them were made of clay, which depicted humans, mythological, animals and gods frontally, whether standing or sitting.