Which of the Following Best Defines the Term "Sustainable Competitive

Which of the following best defines the term "sustainable competitive advantage"?

A) It is the ability to outperform rivals in ways that are difficult or costly to imitate.
B) It is the ability to formulate technology to gain market exposure.
C) It is the ability to focus organizational energies on a unifying and compelling goal.
D) It is the ability to formulate strategies efficiently to accomplish long-term goals.
E) It is the ability to identify the things that the organization has or does exceptionally well in comparison with competitors.