A.
They decided to meet where the band was performing.
Yes, because it is a phrase that connects two seemingly-opposite things.
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.
<span>It appears that your comment contains either a link or inappropriate words. Please correct and submit again!</span>