Answer:
Character changes and a remarkable likeness between Laurie and Charles reveal that Charles is really Laurie in the narrative "Charles," where the female protagonist, Laurie, is mistaken for the main character, Charles.
Laurie swiftly evolves from his mother's "sweet-voiced nursery-school tot" to a "long-trousered, swaggering character who forgot to wave goodbye to me." This is the clearest proof that Laurie is Charles. The author presents indications and signs that both men are one person.
Step-by-step explanation:
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