For the first question regarding the textual evidence that best supports a reader’s claim that the conversation between Lizabeth's parents disrupts her perception of their respective roles in the family, the best choice is:
D. My mother, who was small and soft, was now the strength of the family; my father, who was the rock on which the family had been built, was sobbing like the tiniest child.
This statement directly addresses the reversal of roles between Lizabeth's parents, highlighting how her mother's strength contrasts with her father's vulnerability, thus disrupting Lizabeth's understanding of their roles.
For the second question regarding the textual evidence that best supports a reader’s claim that the conversation between Lizabeth's parents disrupts her sense of belonging, the best choice is:
C. Everything was suddenly out of tune, like a broken accordion. Where did I fit into this crazy picture?
This statement expresses Lizabeth's feelings of disorientation and confusion about her place in the family dynamics, as well as a sense of alienation caused by the emotional upheaval.