5- If an Olympic athlete runner participated in the Olympic games and won the gold medal not only by working hard throughout the year but also by using banned substances to enhance his strength, then...

5- If an Olympic athlete runner participated in the Olympic games and won the gold medal not only by working hard throughout the year but also by using banned substances to enhance his strength, then this athlete achieved his goal with………………… A- Merit B- Lack of Values C- Energy D- Discipline