Javier used chalk to draw some shapes on the playground. All of the shapes that Javier drew are parallelograms.
Some, but not all, of the shapes that Javier drew are rectangles.

Which statement must be true?

AAll of Javier's shapes have 4 equal angles.

BSome, but not all, of Javier's shapes have perpendicular sides.

CSome, but not all, of Javier's shapes have 2 pairs of parallel sides.

DAll of Javier's shapes have at least one angle greater than 90 degrees.