Final answer:
To legitimize her claim of being at UCLA for four years, Alexis could provide evidence such as official transcripts, student ID cards, and letters of recommendation from professors or advisors.
Step-by-step explanation:
To legitimize her claim of being at UCLA for four years, Alexis could provide evidence such as official transcripts, student ID cards, and letters of recommendation from professors or advisors. She could also share her academic achievements, involvement in campus organizations, and participation in research projects or internships. Additionally, Alexis could mention any awards or honors she received during her time at UCLA.