What are the missing statement and reason in step 2 of the proof? A. Statement: AB ∥ CD, BC ∥ AD Reason: definition of a parallelogram B. Statement: AB ≅ CD, BC ≅ AD Reason: given C. Statement: ΔABC ≅ ΔCDA Reason: SSS criterion for congruence D. Statement: ∠BAC ≅ ∠ACD Reason: Alternate Interior Angles Theorem