Answer:
D. comparing the game to other titles and suggesting changes
Step-by-step explanation:
Regression Testing is a software test that checks if a recent change in the code of a program/source code has affected the functionality of already existing features.
Among its other functions, it also checks and compares the game to other similar apps to check if they have the same titles and if they do, they suggest or recommend changes to the title to make the game unique.