Prove that the quadrilateral ABCD with for vertices A(-2, 2), B(4, 2), C(2, -2), and D(-4, -2) is a parallelogram by showing that both pairs of opposite sides are congruent

Which property makes a rectangle a special type of parallelogram?

a. The opposite angles are congruent.

b. The diagonals are congruent.

c. The opposite sides are parallel.

d. The consecutive sides are congruent.

What statement can be used to prove that quadrilateral ABCD is a parallelogram?