Answer:
The correct answer is letter "D": Core Competencies.
Explanation:
Core Competencies are the set of skills and competitive advantages companies have that will lead them to reach their objectives. Entities should focus their efforts on developing core competencies that are unusual and provide value both to the organization and their end-consumers through the consumption of the goods or services offered. Ability to respond to adversity, commitment to success, and fast problem-solving are some examples of core competencies firms should develop.