Organizational commitment is defined as $\_\_\_\_\_\_\_\_.$A$)$ the degree to which employees identify with the organization they work for and its goalsB$)$ the state of discord caused by opposition of values between people working togetherC$)$ the degree to which an employee's sense of cognitive dissonance is related to his$/$her jobD$)$ the employee's degree of disagreement or differential opinions about organizational practicesE$)$ the degree to which employees believe their work impacts their organization significantly