Determine the domain and range of the set.

{(1, 0), (–2, –3), (2, 1), (2, 0)}

a
D = {–2, 1, 2}; R = {–3, 0, 1}

b
D = {–2, 1, 2, 2}; R = {–3, 0, 0, 1}

c
D = {1, -2, 2, 2}; R = {0, –3, 1, 0}

d
D = {–3, 0, 1}; R = {–2, 1, 2}