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What are the missing statement and reason in step 2 of the proof? A

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What are the missing statement and reason in step 2 of the proof?

A. Statement: ∠ABC ≅ ∠BCD, ∠BAD ≅ ∠ADC

Reason: For parallel lines cut by a transversal, corresponding angles are congruent.
B. Statement: ∠BAC ≅ ∠ACD Reason: Alternate Interior Angles Theorem
C. Statement: AB ? CD, BC ? AD Reason: definition of a parallelogram
D. Statement: AB ≅ CD, BC ≅ AD Reason: given E. Statement: ΔABC ≅ ΔCDA Reason: SSS criterion for congruence