Answer:
b. Differentiated
Explanation:
Differentiated strategy targets different segments and is also called multisegment marketing. Usually the marketing message for each segment is different.
Nike is implementing a differentiated strategy by developing a different marketing message, pricing tactic and channel strategy for different segments of its athletic shoe brand.
Differentiated marketing strategy is aimed at setting a business's product apart from others in the market, and involves actions that produces goods and services that customers perceive as being different from other products.