Which idea is expressed in this excert from "anecdote of the jar" by wallance stevens?

the wilderness rose up to it.
and sprawled around, no longer wild.
the jar was round upon the ground
and tall and of a part in air.

a, human positvely contribute to nature by placing the jar on the hill,
b, the jar. when placed on the hill. completes nature; s balance,
c, nature is not able to fourish because the jar is on the hill,
d, the jar is the main reason for nature's richness and well-being