Read the excerpt. One morning in late January, my teacher turned the classroom television to a Martin Luther King Jr. special while she marked the day’s attendance and handed back our homework. When I saw the footage of Mr. King standing before the masses in Washington, I sat straighter in my chair. I heard his famous speech despite the chaos of our morning routine, and I blinked back tears of pride, maintaining the look of indifference my middle school peers expected.

The excerpt is from a memoir because
A. it introduces fictional characters.
B. it reveals a futuristic narrative.
C. it contains objective researched facts.
D. it shares the writer’s emotional responses.