\textbf{Suppose a certain scale is not calibrated correctly, and as a result, the mass of any object is displayed as 0.75 kilogram less than its actual mass. What is the correlation between the actual masses of a set of objects and the respective masses of the same set of objects displayed by the scale?} 
选项为:A:$$-1$$  B:$$-0.75$$  C:$$0$$  D:$$0.75$$  E:$$1$$  请回答其中一个选项.