Question：During the growth stage of the product life cycle, what is the overall aim of the marketing strategies for a product?
　　A. To establish a market and build demand.
　　B. To gain consumer preference and increase sales.
　　C. To maintain market share and extend the product's life cycle.
　　D. To find new uses for the product.
　　The correct answer is:To gain consumer preference and increase sales.
　　解析：During the introduction stage, the aim is to establish a market and build demand.
　　During the maturity stage, the aim is to maintain market share and extend the product's life cycle.