Point S is reflected about the x-axis in the coordinate plane and then rotated 90° counterclockwise about the origin to create Point
S'. Which relationship between S' and S must be true?

A. S’ is the same point as S.
B. S’ is S reflected about the y-axis.
C. S’ is S reflected about the line y= -x
D. S’ is the result of switching coordinates of S.