The set of ordered pairs below is a relation.
{(0.5, 2), (1.5, 5), (4.0, 12), (6.5, 15)}
Which relation has the same domain as the given relation?

A.{(1,5), (2, 2), 63, 15), (-8, 12)}
B{(0.5, 1), (1.5, 4), (4.0, 11). (6.5, 14)}
C{(2, 1.1), (5, 2.2), (12, 3.3), (15, 4.4)}
D{f1, 6.5), (3, 1.5), (6, 4.0), (10, 0.5))