Importantly, when Claudia says that the other girls seem not to believe that Claudia has a friend, this is only
Claudia’s perception. There’s no way of knowing what the other girls think in this passage, though their silence suggests that there’s something odd about Claudia being friends with April’s little sister. Then, when Claudia chooses to laugh at April’s expense, she essentially chooses life after Monday and begins to move on, if only temporarily.