The sentence that best explains how the tone reveals the narrator's perspective is: The narrator is terrified because she is ashamed of her previous thoughts.
The sentence that best explains how the tone reveals the narrator's perspective in Does My Head Look Big in This? by Randa Abdel-Fattah is: The narrator is terrified because she is ashamed of her previous thoughts.
The tone of the narrator being terrified indicates that she is deeply affected by her own thoughts and feels a strong sense of shame. This reveals the narrator's perspective as someone who is struggling with their own internal conflicts and insecurities.
For example, throughout the novel, the narrator expresses fear and anxiety about being a Muslim in a non-Muslim society, and her shame about her previous thoughts and judgments can be seen as a reflection of this larger struggle.