A key behavior of a self-disciplined person is the ability to ________.

A) find plausible excuses for falling behind schedule
B) say no to every request made of him or her
C) delay gratification now for a bigger future reward
D) never take time off from work

Self-Disciplined

Possessing the power to regulate emotions and defeat one's flaws, as well as maintaining the commitment to what is considered ethical, in spite of lures to forsake it.

Delay Gratification

The resistance to the temptation of an immediate pleasure in the hope of obtaining a valuable and long-lasting reward in the long-term.