Question

Please Help Answer This I Suck At Math

which of the following is a valid reason why the quadrilateral shown below is a parallelogram?

A. both pairs of opposite sides are parallel
B. all pairs of consecutive angles are supplementary
C. all pairs of consecutive angles are
D. both pairs pf opposite sides are congruent

Answer 1

B is the most correct, then A.  C and D is wrong cuz, complementary is sum of 90 degrees and there is no opposite sides are congruent