9. Triangle CDE is transformed to create triangle C'D'E'. The coordinates of the pre-image and the image are shown below. C(-6, 8) D(-4,8) E(-5, 9) C'(-8, -6) D'(-8, -4) E'(-9,-5) Which describes the transformation?
A. Translation 2 units left and 14 units down
B. Rotation 180° clockwise
C. Reflection over the x-axis
D. Rotation 270° clockwise