Answer:
B). Agriculture, Industry, Services.
Step-by-step explanation:
The United States is a highly developed country owning a mixed economy. Its GDP and net wealth makes it the largest economy of the world. The economy of the United States in divided into three major sectors i.e. Agriculture or the primary sector, the Industrial sector, and the service sector. The service sector contributes most to the US economy with 68% of its contribution. The primary sector contributes 5.4% to the GDP and the industry with 26.6% of its contribution to the development of U.S. economy. Thus, option B is the correct answer.