Your roommate questions how charitable you really are. She says to you, "Give me just one example of the last time you gave money to a homeless person." Odds are that her challenge will convince you that you really are a generous person

Based on research by Schwarz and his colleagues (1991), why is that?
a. It's easy to bring to mind one example that supports your self-schema.
b. Your roommate's challenge makes you feel defensive and threatens your self-esteem.
c. Homeless people are representative of people who need our help.
d. It's easier to think of "actuals" than counterfactuals.

Answer: A