Which set represents the range of the function shown?
{(8,2),(6,5),(4,7),(11,-2)}

A.) {-2, 2, 5, 7}

B.) {4,6,8,11}

C.) {(2,8),(5,6),(7,4),(-2,11)

D.) {-2,2,4,5,6,7,8,11}