Answer:
E. Feedback
Explanation:
Feedback entails when an output of a system is used as an input to effect a cause or change usually to bring about improvement.
Corey was tracking the progress on the project and using the result to cause a chain of improvement.
I think you should stop and take a rest or a break. If the side stitch is really painful, then don't start running until it has stopped. Or you can walk it off so it might not get any more painful when you're resting.
