From what I believe and I read the story years ago she borrowed it from a friend of hers. she wanted to go out in the town and have all the eyes on her for once and she did catch everyone's attention. it was radiant and glimmered but was actually paste/fake. basically she wanted to show off
Dorothy informs him of this in Chapter 4.
In the followoing sentence,"Seasons are celebrations. A year's a Ferris wheel. Both honor our world's habit of spinning 'round a star. " In the first line of this poem the poet id using the figurative language called a metaphor because he is making a direct comparison between two things. So your answer would be B, metaphor.
Hope this helps! If you have any other questions or would like further explanation just let me know! :)