The symbolic meaning of gold in the poem is best described by option C. The wonderful things in life that do not last.
In the poem, gold is used to describe the transition of nature from one state to another. Everything that is colored gold does not last long, that is why it is said that nothing gold can stay. Here, we get the idea that we should get the most of these valuable "things" before they are no longer there.
Body behavior
Body behavior is the way your body acts and it is like a speech and people can read it
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B. Nonessential. Commas are used to set off nonessential (or nonrestrictive) subordinate clauses in sentences. These clauses are not necessary to the basic meaning of the sentence. The nonessential subordinate clause could be omitted from the sentence without changing the meaning of the sentence.