For each of the following, determine if the statement is true.


A)A trapezoid is always a parallelogram.

B)Diagonals of a parallelogram are always congruent.

C) Both pairs of opposite angles of a parallelogram are always congruent.

D)A rhombus is always a square.

E)Diagonals of a square always bisect each other.

F)A rectangle is always a