Mary has been excluded from a group of other young women in her class because she refused to bully another young woman that the members of the group did not like. She has been eating alone at lunch for a week, but she told her best friend that she is comfortable with the decision she made and does not care how long she will be excluded from the group. This is an example of _______.
A. Being a role model
B. Fortitude, values, and ethics
C.Self-control
D. Being accountable and responsible