Answer:
D. Both A and C
Explanation:
Generally speaking, competitive advantage is a situation whereby a company has an edge over its competitors by offering consumers greater value for their money either in price or in quality.
Sustainable Competitive advantage are those advantages, assets, characteristics or features of a company that are difficult to imitate or better by competitors, which puts that company in a favorable (sustainable) long term superiority over its competitors.
From the above definitions it is clear that its concerned with the attributes of the company which is the industry itself and the team and culture and far less to do with the market.