Final answer:
Age-appropriate play skills for a typically developing 4-year-old include role-playing with dolls, building structures like play castles, and creating stories with pretend characters, as these activities align with their cognitive and psychosocial development stage.
Step-by-step explanation:
The play skill considered age-appropriate for a typically developing 4-year-old child is B. Role-playing a bathing routine with a favorite doll. At this age, children engage in pretend play and create scenarios with their toys, reflecting their cognitive and psychosocial development. They are exploring their imagination and beginning to understand basic sequences and time concepts. F. Building a play "castle" with blankets and chairs is also an age-appropriate activity for a 4-year-old. This activity allows for creativity and problem-solving as they construct a physical structure from their imagination. Moreover, C. Creating stories with "pretend" characters is characteristic of the symbolic thinking and role-play that 4-year-olds enjoy as they develop their narrative skills and creativity.