In a work of art, what is the subject?
a.
what is being represented in the piece.
b.
the recognizable forms such as a figure.
c.
refers to the feelings created by a piece.
d.
the visible elements of a piece.

i believe the answer is: a.  abstract forms were often used to represent human figures.

representing human figures in abstract forms is often used in the geometric period, not hellenistic  period.   during the hellenistic  period,   aesthetic value derived from creating arts which mimic the actual shape of a certain object or individuals.

hope this ! < 3