In a quadrilateral PQRS, \[\angle \mathbf{P}:\angle \mathbf{Q}:\angle \mathbf{R}:\angle \mathbf{S}=\mathbf{2}:\mathbf{3}:\mathbf{3}:\mathbf{2}.\]Then QRS is a ______

• A. Parallelogram
• B. Isosceles trapezium
• C. Rectangle
• D. square