In the conclusion of her speech on cyber bullying, Rooney told a story about an 18 year old girl who committed suicide as a result of being cyber bullied by her peers. Rooney said, "Megan Mara was a sensitive soul

She was a talented artist and those who were close to her said she would have accomplished great things in her life. But she will not have that opportunity because of the thoughtless cruelty of others. We have the power to prevent this from happening to someone else, but in order to do so we must remember how much our actions affect others and consciously choose kindness over cruelty." In this example, Rooney used _______ to create an effective conclusion to her speech.
a. a personal reference
b. an inspirational appeal or challenge
c. a quotation
d. a reference to the introduction

b