The correct answer is: B. Version Control
Version control is a system that tracks changes to a file over time. It allows you to revert to previous versions of a file if you make a mistake, and it also allows you to compare different versions of a file to see how they have changed.
Record control is a system that tracks the creation, use, and storage of records. It ensures that records are created and used in a consistent way, and that they are stored securely and for the appropriate amount of time.
Forecast control is a system that tracks the performance of a business and predicts future trends. It helps businesses to make informed decisions about their future plans.
None of the other options are systems that record changes to a file over time.