Final answer:
The subject of Larissa's question is purpose, as she is considering her goal for writing. The purpose of writing determines the intention or reason behind it.
Step-by-step explanation:
The subject of Larissa's question is purpose. When she asks herself about her goal for writing, she is considering the purpose of her writing. The purpose of writing determines the intention or reason behind it, such as to inform, entertain, persuade, or express emotions or thoughts.
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