15. A person facing east walks east 20 paces, turns, walks north 10 paces, turns, walks west 25 paces, turns, walks south 10 paces, turns, walks east 15 paces, and then stops. What one transformation could have produced that same final result in terms of the position of the person and the direction the person faces? A. reflection over the north-south axis

B. rotation

C. translation

D. reflection over the west-east axis