【单选题】Intel is provided as an example of a firm that has continuously changed its mission statement, including most recently moving to a customer-focused mission. This is an indication of what?
A.
Missions are best left as they were originally crafted for the firm.
B.
Intel's mission likely created its superior performance over this period.
C.
Missions can be inspirational for both employees and customers.
D.
The mission was changed after Intel had already changed its business focus