In this story, how does Nadine show she is insecure?

She doubts herself and isolates herself to avoid social interactions.
She looks for Principal Carmen and other staff members in the office.
She decides to return home by retracing the route the school bus took.
She draws a picture of Brian that portrays him as friendly and kind.

The first option is the correct answer. Nadine shows she is insecure by doubting herself and isolating herself to avoid social interactions. This behavior indicates a lack of self-confidence and a fear of being judged or rejected by others.