Which statement is true about ∠1 and ∠2?
A. ∠1 and ∠2 are complementary because they are a pair of corresponding angles.
B. ∠1 and ∠2 are congruent because they are pair of corresponding angles.
C. ∠1 and ∠2 are complementary because they are a pair of alternate interior angles.
D. ∠1 and ∠2 are congruent because they are pair of alternate interior angles.
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