It's seemed like this is a question from your class reading, and well, we can't help you if you don't provide us what is that document.
the answer is c good luck mate
I would say it’s about using your life usefully. In other words, the summary is about “Making use of one’s life”.
Hope it helps!
Metaphors and similes are used to add depth and meaning to the poem, so it looks normal on the surface but when you re-read it you uncover a deeper meaning :)
