Which excerpt from "Daughter of Invention" contains language that best reveals that Carlos is still tied to his Dominican origin?

The excerpt from the ‘Daughter of Invention’, that contains language that is likely to reveal that Carlos is still tied to his Dominican origin is during the time where he sat bolt upright, reaching at his glasses with a haste and after that, he knocked across the room, saying the following words, "iQue pasa? iQue pasa?".