A nurse is collecting data from a 3-month-old infant. Which of the following is an expected developmental finding?

A. Rolling from back to side typically occurs around 4 to 5 months of age. B. At 3 months, an infant is expected to be able to hold a rattle. C. Holding arms out to be picked up usually develops around 7 to 9 months of age. D. Fear toward strangers, known as stranger anxiety, typically begins around 6 to 8 months of age.