A flag with an orange top stripe flies on a pole standing beside a pond. Which panel shows its image in the water?

A water image turns the picture upside down but keeps left and right: the base goes to the top, the pole stays on the left, the flag hangs at the bottom and its green stripe is now on top: (b). (c) moves the flag down but keeps orange on top; (a) swaps left and right; (d) does both.