<span>My father, my instructor for the day, picked me up.</span>
Coming of age is a transition of one's life from young to adulthood. The stolen party talks about Rosaura. Where the author characterize Rosaura as young to her being lady. There's also hint of social classes in the society since Rosaura in the story is poor.
Questions like this are difficult to answer without more context, although there are some clues about the symbolism in this brief excerpt. You can read the whole short story here: http://images.pcmac.org/SiSFiles/Schools/AL/MobileCounty/TheodoreHigh/Uploads/Forms/Reading_Packet_with_Text_-_The_Rockpile_by_James_Baldwin_-_20150323.pdf
In the story, boys are always getting hurt. Some boys are afraid to play there because it is dangerous. The provided passage also talks about fighting and danger. If this were my assignment, I would choose C) It shows its dangers.
