Final answer:
The mid-career stage (c) is where an individual shows stabilized performance and little career progress.
Step-by-step explanation:
The career-evolution stage in which an individual shows stabilized performance and little career progress is the mid-career stage (c).
In this stage, professionals have already established themselves in their chosen field and have reached a certain level of expertise and stability. They may have achieved a management position or other senior roles within an organization. However, their career progression tends to slow down compared to earlier stages, as they focus more on maintaining their current position and responsibilities rather than seeking rapid advancement.