We would need more information, are you sure this is all there is?
With the information that is given I believe that the answer is:
C. Constantly changing pieces of literature.
I would say that the word that definitely symbolizes youth in this poem titled "Wild Asters" by Sara Teasdale is spring, because it represents an early time at the beginning of the year.
However, if you can choose multiple answers, I would also say daisies.
A sonnet structure is used because sonnets were used at that time to proclaim love and were often written to loved people. By using sonnet form instead of Shakespeare's regular blankverse he shows that there is love between them.
Answer:
I really hope that I’m not wrong but is it on the tarmac? Or flying moon? I am really sorry if I made u get it wrong
