It represents her being and adult, and also childish.
Explanation:
The question is an excerpt from a book titled house on the mango. And it is from Chapter 19, which is titled Chanclas
What Esperanza wears is a metaphor for her age because while the dress portrays her as being an adult, in way of her dressing. The chanclas portrays her as being childish instead.
The type of conflict Della face in O. Henry’s “The Gift of the Magi” was character versus society. The answer to your question is A. I hope this is the answer that you are looking for and it comes to your help.