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Choose the set of ordered pairs represented by mapping diagram shown.
A) {(14,7), (28,14), (21,42), (52,28), (35,52)}
B) {(7,14), (28,14), (21,42), (52,28), (35,52)}
C) {(14, 7), (28,14), (42,21), (52,28), (35,52)}
D) {(7,14), (14,28), (21,42), (28,52), (35,52)