C They show the changes in Kevin and Olivia’s friendship.
The different scenes in the play illustrate the evolution of Kevin and Olivia's relationship, highlighting their past as best friends, the misunderstandings that led to their drift apart, and their efforts to reconnect. As the scenes unfold, the emotional weight of their conversations reveals the complexities of their friendship and the impact of family dynamics on their lives, ultimately leading to a moment of reconciliation and understanding.