Answer:
This seems like an assignment that you need to do yourself, and not ask for someone else to do and risk getting pegged for cheating.
Hope you do well though
Explanation:
Taking the whole poem into account, I think the correct answer must be C.
The jar is a small, common, impersonal object, but in Stevens' view, it affects the nature, depriving it of its inherent wilderness. Although it is one of a thousand, it still has the power and dominion over nature. Its meaningless existence leaves a negative trail in this world. If the jar was regarded as faceless a person living in a highly commercialized, industrialized world, and the nature as freedom, the parallel would be all the more effective.