(Last Word) The U.S.Internet search market:

A) is best characterized by pure competition.
B) is dominated by Google,which controls about 70 percent of the market.
C) has a few prominent firms that each possesses a relatively equal market share.
D) has no barriers to entry.

U.S. Internet Search Market

The segment of the Internet industry in the United States that involves search engines and their market dynamics, including competition and market share.

Pure Competition

A market structure characterized by an infinite number of small sellers producing homogenous products, ensuring no single seller influences market price.

Market Share

The segment of a market held by a certain company or product, usually described in terms of a percentage of total market sales.