Final answer:
The Certified Therapeutic Recreation Specialist (CTRS) should first implement the program after it has been developed. Option C is correct.
Step-by-step explanation:
The correct answer is C.implement the program.
After an individualized therapeutic recreation treatment program has been developed, the Certified Therapeutic Recreation Specialist (CTRS) should first implement the program. Implementation involves putting the program into action and delivering the planned activities and interventions to the client.
Once the program has been implemented, the CTRS can then progress to other steps, such as documenting the plan in the client's record, initiating program evaluation, and informing the therapeutic recreation supervisor of the program outcome.