which of the following is the correct order I sewing a pillow case?

1. invert the pillow case with the wrong side out.
2.stitch the three edges again by ¼ inch away from the edges.
3.use french seam in stitching the sides.
4.fold the 2 inches allowance for the opening facing the wrong side
fold the raw edge by ¼ inch and stitch close to the edge.
5.stitch the three sides of the cloth with the right side out by ⅛ inch away from the edge of the cloth.

A. 4,3,5,1,2
B.5,2,4,1,3
C.1,2,4,3,5
D.4,3,5,2,1​