(02.06 LC)
 The figure below shows parallel lines cut by a transversal:
 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.