Rectangle URST undergoes a dilation centered at the origin. The result is rectangle U'R'S'T'. Which rule describes the dilation? A) (x, y) → (2x, 2y) B) (x, y) → (3x, 3y) C) (x, y) → ( 1 2 x, 1 2 y) D) (x, y) → (− 1 2 x, − 1 2 y)