In the following question, choose the correct mirror image from among the four alternatives (1), (2), (3) and (4) given along with it. The mirror may be represented by a line XY.

As per the given above question figure ,
Figure ( 2 ) of the answer figures is exactly the mirror image of the given original image . Thus , Given image will become opposite in mirror across the given line XY.So , option B is correct figure .