If you mean 'starting with five dollars' then it is a gerund phrase
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.
Faith is something that is meant to be
In welsh mythology, Dylan means son of the sea, son of the ocean of born from the sea. It basically has connotations of birth and water. Hope this helps:)
