The correct answer is A.
Feudalism is a political system which was prevalent in Europe between the ninth and fifteenth centuries. The majority of privileges and rights were offered to the Upper class and level of the society. The King ruled and owned everything and had total control over all. His vassals (knights) were given some small parts of land but in exchange, they had to provide military protection. The serfs were lent land and they had to provide food and services to the upper classes.
Sculptures were the big thing in ancient Greece. Specifically the ones of men and women. You have probably seen pictures of them before they are called Kouri. Materials used in Ancient Greece influence today's art. Such as stone and marble. Also in Greece, they used a lot of geometric patterns and some would say abstract.
C, they were discriminated for the race.