Find the Domain and Range

Multiple Choice

Find the domain and range.
-{(6, -6) , (4, 9) , (2, -2) , (-9, -4) , (5, 1) }

A) domain = {1, -6, 9, -4, -2}; range = {5, 6, 4, -9, 2}
B) domain = {6, 4, 2, -9, 5}; range = {9, -2, -4, 1, -6}
C) domain = {9, 6, -2, 2, -6}; range = {-9, -4, 5, 1, 4}
D) domain = {5, 1, -2, -6, 4}; range = {-9, 9, -4, 2, 6}