C - the Sheriff did not understand the true meaning of what Mrs. Hale
said. There were multiple ways to make what she was making and the men
walking in did not know the intricacies of the process and assumed it
was just what the word phonetically sounded like.
It would be letter C - hopeful.
The introduction of the boy advances the plot of Daly's "Sixteen" by making the narrator feel hopeful. This was when the young male skater made the narrator feel joyful and hopeful for days. Although in the end, the narrator realized that he will never call her at all.