A nurse is assessing a 6-month-old infant at a well-child visit. Which of the following findings should the nurse expect?

A. At 6 months, the infant may have the lateral incisors (lower) beginning to emerge. B. The pincer grasp typically develops around 9 months, not at 6 months. C. Infants can begin sitting with support at 6 months but are unlikely to sit steadily without support at this age. D. The posterior fontanel usually closes by 2 to 3 months, not by 6 months.