What see of ordered pairs satisfy the equation f(x) =x?

A. {(3, 3), (1, 1), (2, 2),(5, 5), (4, 4)}

B.{(3, -2), (1, -4),( 2,-3), (5, 0), (4, -1)}

C.{(3, -3), (1, -), (2, -2), (5, -5), 7,-7) }

D.{(1, 0), (2, 1) (3, 2), (4, 3), (5, 4) }