A primary source document is best defined as a source that consists of original material, such as an interview. These documents provide firsthand accounts created during the time of the event being studied. Therefore, the correct answer is option A.
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A primary source document is an original material created during the time under study, such as interviews and personal writings. These sources offer firsthand accounts and direct evidence relevant to historical events or periods. They are essential for understanding the context and significance of historical research. ;