The majority of people in United States work in the___industry A agriculture B fishing C mining D service

D. service

Explanation:

Most people in the US work in jobs that require providing a service to others, whether it's at a restaurant, a department store, a school, etc. Yet, those who work in specialised jobs like agriculture, fishing, and mining are more rare because they need to live in a certain area that is optimal for such positions.

Thus, the answer is D.

D service

Explanation:

In terms of jobs, the most popular sector in America is service sector. These include accountants, teachers, etc.