A pediatric nurse is explaining Erickson's stages to a nursing student. Which of the following behaviors would indicate a four-year-old has successfully mastered the initiative vs guilt stage?

A. A strong fear of making mistakes suggests a child may be experiencing guilt rather than initiative. B. While seeking approval is important, excessive reliance on adult validation can indicate guilt and fear of taking initiative. C. Preferring solitary play at this age may suggest difficulty with social interactions and a lack of initiative, which is typical for this developmental stage. D. A four-year-old who initiates make-believe play and engages in imaginative scenarios demonstrates a healthy sense of initiative, which is a hallmark of successfully mastering the initiative vs guilt stage.