The care settings most often used for infants and toddlers are

The correct answer is " relatives, family day care homes, and day care centers."

Infants and toddlers deserved to be care by people, they need care in order for them to grow properly and healthy. Caring relatives, a caring home and day care centers are usually the people and places where infants and toddlers get proper care and a positive environment, which is a factor that affects their development.