11. When the ( ) situation occurs, it means that the enterprise can consider changing from the original centralized development to diversification.
A． The originally concentrated industry has entered the end of maturity, and its development potential has declined
B． Did not accumulate sufficient financial resources, technical and management talents
C． There are attractive new industries investment opportunities, but it is impossible to establish a competitive advantage in them
D．In the original concentrated development industry, the advantages are not obvious, and the status is unstable