Final answer:
The most productive conversation about change for a client with a confidence rating of '4' and importance rating of '10' would involve exploring what would need to happen in order for their confidence to increase.
Step-by-step explanation:
The most productive conversation about change for a client with a confidence rating of '4' and importance rating of '10' would involve exploring what would need to happen in order for their confidence to increase. Option C, "What would need to happen in order for your confidence to increase to a '6'?" is the best choice for this conversation as it encourages the client to identify specific factors that would contribute to an increase in their confidence. It shifts the focus from questioning the client's motivation to exploring strategies for building confidence.