Answer:
C. It explores two sides of an issue she is debating with her grandmother.
Step-by-step explanation:
This is the most likely answer to this question. In this passage, we learn about the debate that the narrator has with her grandmother. We learn about the two sides of the debate, as well as about the perspectives that each person has. This allows us to understand the narrator's external conflict. The narrator is not teaching her grandmother a new language, nor does she convey feelings of insecurity or resentment.