If a mirror is placed on the line MN, then which of the answer figures is the right image of the given figure? M

When a mirror is kept vertically along the line MN on the right side:Left and right sides of the image get interchanged while top and bottom remain the same.The triangular arrow points and shaded parts on the left flip to the right side, and vice versa.Inspecting the options, Figure A perfectly satisfies this horizontal inversion.