The Cascade Fresh yogurt company launched a very effective marketing plan strategy. The market responded, and customers flocked to buy Cascade Fresh's yogurt. Cascade Fresh's competitors began to mimic its marketing mix strategy. Why should Cascade Fresh now update its marketing plan?

A. The more successful the plan is, the longer a business can take to adjust to the market.
B. The more the competition adjusts to match a marketing plan's approach, the easier it is to execute the marketing plan's strategies.
C. The more successful the plan is the faster it will require a significant revision.