Rhombus TUVW was rotated clockwise 90 degrees to create rhombus T'U'V'W'. Which rule describes the transformation that was applied to rhombus TUVW?

A. (x,y) to (x,-y)
B. (x,y) to (-y,x)
C. (x,y) to (-x,y)
D. (x,y) to (y,-x)