Answer:
Option: C
Step-by-step explanation:
In the last line, the speaker employs the rhetorical strategy of understatement. By describing the instructor as "older—and white—and somewhat more free," the speaker downplays or minimizes the differences between themselves and the instructor. This understatement serves to highlight the underlying message of unity and shared experiences between the speaker (a young African American student) and the instructor (who is white). Therefore, option C, understatement, best describes the rhetorical strategy employed in the last line of the excerpt.

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