In a Study by Lyubormirsky and His Colleagues (2005), College

In a study by Lyubormirsky and his colleagues (2005) , college students were randomly assigned to do five acts of kindness a day. The result of this experiment showed that

A) doing so much for others left these students emotionally drained.
B) spending so much time on acts of kindness left very little time for the students to study.
C) students who performed acts of kindness expressed feeling happier for several weeks.
D) being kind to others actually makes a person feel sad because they empathize with others.