A nurse is teaching a group of parents about expected development of gross motor skills during infancy. The nurse should teach that the following developmental tasks are expected to occur in what order? (Move the steps into the box, placing them in the order of performance. Use all the steps.)

D. Rolls from back to side usually occurs around 4 months of age as the infant begins developing trunk strength. B. Rolls from back to abdomen typically follows at around 5 to 6 months, indicating improved coordination and strength. C. Sits steadily unsupported usually develops around 8 months, showing advanced balance and postural control. A. Changes from prone to sitting is a more complex skill that typically appears around 10 months, requiring significant core strength and motor planning.