The best example of external conflict from the excerpts provided is:
3. Trying to keep up while her friends walked rapidly in the direction of the fun zone, Cecelia criticized herself: Why had she agreed? Why couldn’t she just tell the truth?
This excerpt illustrates a conflict between Cecelia and her friends, as she feels pressured to keep up with them despite her discomfort. The external conflict is evident in her struggle to align her feelings with the actions of her friends.