May I please get help with this problem. I have tried multiple times to get the correct or accurate answers for each of them but still could not get anything right

Rectangles are polygons with 4 sides and has four 90-degree angles.
So Figures B and C are rectangles
Parallelograms are polygons with 4 sides in which opposite sides are parallel.
So Figures A, B and C are parallelograms
Squares are polygons with 4 equal sides and has four 90-degree angles.
So only Figure B is a square