A street lamp on the river front has its arm reaching to the right with a yellow lamp hanging from it. Which panel is its image in the river?

Upside down, but not reversed: the base is now at the top, and the arm still reaches to the RIGHT with the lamp now standing up on it: (b). (a) is the lamp with its arm swapped to the left, (c) is upside down with the arm on the left, and (d) is the lamp itself.