Answer:
D. remorseful
Step-by-step explanation:
The tone of this excerpt from "Homesick" is remorseful.
From the excerpt, we discover that as the narrator poured out her miserable story to her mother, her mother listened quietly, stroking her hair. Then the narrator reveals that she discovered that her mother remembered herself that she was a mother. This description reveals that the narrator used a remorseful tone as she explained the reaction of her mother. Also, her mother's reaction shows a remorseful disposition.
Option D is the correct answer.