A competitive market promotes innovation and low prices, and consumers get what they demand. This is the primary reason competitive markets are beneficial for consumers. Competition among businesses encourages them to improve their products, reduce prices, and respond more effectively to consumer preferences. The other statements, such as competitive markets creating monopolies or producing lots of regulations, are not accurate representations of how competitive markets function. Therefore, the best answer is:
A competitive market promotes innovation and low prices, and consumers get what they demand.