PLEASE HELP Which sequence of transformations on preimage ∆ABC will NOT produce the image ∆A'B'C'?

A.
reflection across the line y = x
B.
reflection across the x-axis followed by a reflection across the y-axis
C.
rotation 180° clockwise about the origin followed by a reflection across the line y = -x
D.
reflection across the y-axis followed by a rotation 90° clockwise about the origin
E.
reflection across the line y = -x followed by a rotation 180° counterclockwise about the origin