Your Options KAL pattern pieces may each be worked in whatever stitch pattern you choose - Stockinette stitch (all one color), the pattern Stripe sequence (3 colors), or the Options texture pattern.
TEXTURED PATTERN
(even number of stitches)
Row 1 (RS): Knit 1, p 1; rep to end.
Rows 2, 4, 6, 8 (WS): Purl.
Rows 3 and 7 (RS): Knit.
Row 5 (RS): Purl 1, k 1; rep to end.
Repeat Rows 1-8 for pattern.
STRIPE PATTERN
(3 yarn colors)
Work in Stockinette stitch in color sequence as follows:
Rows 1 - 8:MC.
Rows 9-10: CC1.
Rows 11-12: CC2.
Rows 13-14: CC1.
Repeat Rows 1-14 for pattern.

About Rowan Options KAL Stitch: The stitch patterns used in Amy's "Options KAL" with Rowan Pure Wool Superwash DK.