Final answer:
About 91 percent of all U.S. jobs are in service-providing processes.
Step-by-step explanation:
The correct statement about the structure of the U.S. economy is that about 91 percent of all U.S. jobs are in service-providing processes. This means that the service sector plays a significant role in the U.S. economy, employing a large majority of the workforce and generating a significant portion of the GDP.