The sentence that best describes the symbolic meaning of gold in the poem is The wonderful things in life that do not last.
This poem uses a very important parallel where it shows the word Gold as a precious or perfect thing in this line "Nothing gold can stay". We have another example that talks about how things that we appreciate in life are not eternal and we have to live them when they are happening in the line "Nature's first green is gold".
The other options are not possible because the poem has a constant element of transition from one thing to another which represents temporal things.
Question #1:
-Although both texts share much similarities with a reoccurring reminder of isolation, their topics differentiate in point of view. In the first text, the narrator symbolizes in a third-person view as a cloud "That floats on high o'er vales and hills." (Wordsworth) However, in "The Friends That Don't Talk to Me", the speaker is him/herself as "[he/her]<span> walked alone all the way around the lake near my house." (?)
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Question #2:
</span>-The two texts share a common theme as they both start neutral in loneliness and end up cheek in tongue with a happy ending. Despite this, both have slight contrasts in theme: The first text observes "others" with much symbolism in poetry, sending a somewhat clear message of how loneliness can open the eyes in the beauty of the world. The second theme is more straight forward as it seems to state loneliness is only temporary.