A "Repeatedly Evolving Strategy" Best Applies to a

A "repeatedly evolving strategy" best applies to a

A) government housing agency that formulates urban redevelopment plans during a four-year window of time and implements them phase by phase over that period of time.
B) mobile phone company, established in a saturated market, that plans its research and development activities to allow for quarterly releases of new products that match or overtake features of rivals' mobile phones.
C) startup cosmetics manufacturer that replicates the products of rivals but at a comparable quality and lower price.
D) nationalized bank that lends at a lower interest rate but offers a zero-processing fee in a market crowded with privatized banks running at high cost.
E) firearms regulatory agency, set up by the government, that publishes industry standards for safety, reliability, and quality of arms and ammunition.