Final answer:
The statement that encourages the client to acknowledge the priority of the problem is option 3.
Step-by-step explanation:
The statement that encourages the client to acknowledge the priority of this problem is option 3) "On a scale of 1 to 10, rank the importance of being assertive." This question prompts the client to directly assess their own level of assertiveness and recognize its significance. By ranking the importance of being assertive, the client is reflecting on the need for effective communication and understanding the impact it has on their overall well-being.