Select the correct statement based on the relation shown above. A)

The relation is a function because every element of the domain has exactly one corresponding element of the range.

B)

The relation is a function because every element of the range has been used.

C)

The relation isn't a function because not every element of the range has a corresponding element of the domain.

D)

The relation isn't a function because an element of the domain corresponds to two different elements of the range.