function consists of the seven points shown in the graph.
Image

What is the domain of the function?
A.
{0, 1, 2, 3}
B.
{-3, 0, 2, 3}
C.
{-3, -2, -2, 0, 1, 2, 3}
D.
{-2, -1, 0, 1, 2, 3, 4}