The Below Figure Shows the Various Combinations of the Goods

The below figure shows the various combinations of the goods X and Y that yield different levels of utility.Figure 7.3

-Which of these is true of the law of diminishing marginal returns?

A) It is a long run phenomena where all inputs are variable.
B) It applies mostly to the short run because some inputs remain fixed.
C) It is a long run phenomena experienced under monopoly.
D) It applies to fixed inputs in the long run.
E) It applies to fixed inputs in the short run.