Final answer:
Continuous quality improvement is an ongoing, structured process involving personnel in enhancing quality and performance, resembling a spiral design process.
Step-by-step explanation:
The best definition of continuous quality improvement is a structured organizational process that involves personnel in planning and executing a continuous flow of improvements to enhance quality and performance. This concept is akin to a spiral design process, where iterative changes are made, and each iteration is evaluated for enhancements. This approach ensures that the end product or service is significantly improved upon over time. Among the options provided, option A most accurately matches this definition. It's important to understand that this is not a one-time project or solely focused on cost reduction without considering quality; it is an ongoing process of improvement that requires commitment and resources to ensure the output meets or exceeds the desired quality standards.