Which quadrilateral always has two pairs of parallel sides four right angles and four congruent sides A. trapezium B. square C. kite D. rectangle?

B. Square is the quadrilateral that always has two pairs of parallel sides, four right angles, and four congruent sides. A square is a specific type of rectangle and rhombus, meeting all the criteria mentioned. In contrast, a trapezium does not have all these properties, while a kite does not have parallel sides or equal angles.