To Sustain the Competitive Power of Resources and Capabilities,they Must

Multiple Choice

To sustain the competitive power of resources and capabilities,they must be

A) continually strengthened and nurtured.
B) broadened and deepened to cover emerging market opportunities.
C) refreshed,modified,or sometimes phased out and replaced in response to ongoing market changes.
D) difficult to imitate.
E) All of these are correct,except answer choice "difficult to imitate."