Final answer:
The client statement that indicates appropriate understanding of the plan of care is "I must be able to meet goals that are set for me."
Step-by-step explanation:
The correct answer is D) "I must be able to meet goals that are set for me." This statement indicates that the client understands the plan of care. When a client is placed on a critical pathway for extended care, there are specific goals and milestones that they need to achieve for their recovery. By acknowledging the need to meet these goals, the client shows an appropriate understanding of the plan of care.