Most day care facilities are regulated by __________ provisions and criteria concerning the number of unrelated children kept in the household.

The correct choice is state provisions because daycare facilities are primarily governed by state regulations that ensure the safety and well-being of children. Each state establishes its own criteria and standards regarding the operation of daycare facilities, which includes stipulations about the maximum number of unrelated children that can be cared for in a home setting.

State regulations are designed to accommodate the unique needs and conditions of care within that state, addressing factors such as staffing ratios, safety requirements, and zoning laws related to residential areas. This level of governance is essential for promoting consistent quality and safety across facilities operating within the state. Thus, state provisions play a critical role in regulating daycare facilities and ensuring compliance with these established standards.