Answer:
C. Power
Step-by-step explanation:
Bert's dominant need is power since the need for power is the desire within a person to hold control and authority over another person and influence and change their decision in accordance with his own needs or desires. The need to enhance their self esteem and reputation drives these people and they desire their views and ideas to be accepted and implemented over the views and ideas over others. These people are strong leaders and can be best suited to leading positions. They either belong to Personal or Institutional power motivator groups. If they are a personal power motivator they would have the need to control others and a institutional power motivator seeks to lead and coordinate a team towards an end.