Final answer:
Scheduled intermittent catheterization every 2 to 4 hours is an appropriate bladder program for a client in rehabilitation for spinal cord injury.
Step-by-step explanation:
An appropriate bladder program for a client in rehabilitation for spinal cord injury would involve scheduled intermittent catheterization every 2 to 4 hours (option B). This intervention helps ensure regular and complete bladder emptying while minimizing the risk of infection and other complications associated with long-term catheter use.