A company's strategy is a "work in progress" and evolves over time because of the

A$.$ A company's strategy is a "work in progress" and evolves over time because of the

B$.$ ongoing need to imitate the new strategic moves of the industry leaders.

C$.$ need to make regular adjustments in the company's strategic vision.

D$.$ ongoing need of company managers to react and respond to changing market and competitye conditions.

E$.$ frequent need to modify key elements of the company's business model.