Final answer:
The surgery for correcting hypospadias is typically scheduled when the child is learning to walk.
Step-by-step explanation:
To correct hypospadias, surgery is typically performed on a 1-year-old child. However, the question asks about the timing of the surgery in relation to the child's development. The correct choice from the options given is d) The child is learning to walk.
Learning to walk is a milestone in a child's development and typically occurs around 12 to 15 months. This stage of development is important as it signifies an increase in the child's physical stability and ability to handle the demands of surgery. Additionally, learning to walk can also be an indicator that the child's overall growth and development are progressing well.