When Tyrone Broke His Leg and Needed to Use Crutches

Multiple Choice

When Tyrone broke his leg and needed to use crutches to get around,his brother Tyrelle offered to carry his book bag for him in school.Tyrelle did not ask Tyrone for anything in return,especially since he knew that Tyrone was upset that he would miss the next few weeks of baseball.Tyrelle's behavior exemplifies

A) empathy.
B) altruism.
C) moralism.
D) hedonism.