Final answer:
In the novel 'The Benefits of Being an Octopus', Matt Hubbard does not have any sisters. He is an only child and this aspect shapes his character and interactions in the novel.
Step-by-step explanation:
In the book called The Benefits of Being an Octopus by Ann Braden, the character Matt Hubbard does not have any sisters. He is an only child, and this is a critical aspect of his personal storyline and experiences throughout the novel.
This lack of siblings shapes Matt's character in significant ways, factor that greatly influence his interactions with others, especially with the main character, Zoey.
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