What are some clues that Charles is actually Laurie in the story "Charles?"

Elizabeth Stover, M.A.

The author included some clues in the story that help the reader to believe that maybe
Laurie andare the same person. For example, on the first page of the story, Laurie speaks to his
parents about Charles however he is not looking at them, he is instead "addressing his
bread and butter." When his parent's ask about the boy's name, the author states that
Laurie has to think about it for a few minutes...