Answer:
D. Security.
Explanation:
MultiMedia Fusion 2, usually referred to as MMF2 is a visual programming tool that was developed by the "Clickteam" in 2006. MMF2 allows software developers to create software applications and games.
Although, it is now being replaced by the Fusion 2.5.
In MMF2's bounce properties, for a user to change how long an object can bounce in the same way over and over, the user should change the security in the settings group.