All of the Following Are Characteristic of Hardiness Except

All of the following are characteristic of hardiness except

A) stubborn behavior and an unwillingness to change.
B) changes in strategies and behavior, as well as a commitment or sustained effort to achieve a goal.
C) control, or the belief and the ability to rely on your own efforts, to solve a problem.
D) a challenge, or commitment to test self and confront difficulties.