Which of the following is the BEST example of altruism?
A. Roberto anonymously donates money every year to a local food bank.
B. Claire is a paid employee at a local nonprofit organization that helps homeless families.
C. John helps his brother with his chores, if his brother is willing to help him with his homework.
D. Julie volunteers at a local hospital after school, because she thinks it will help her get into a good college.
