Final answer:
The fabric with a nap pressed in one direction to create a pattern, and can be knit or woven, is Velvet. The correct option is b.
Step-by-step explanation:
The fabric described in the question is a velvet pile where the nap is pressed in one direction to create a pattern. This type of fabric can be either knit or woven.
Based on this description, the correct answer is b) Velvet. Velvet is known for its distinct plush feel and sheen that is produced by the characteristics of its pile.
Different methods, like pressing or cutting the pile in a particular direction, can create patterns and textures on the fabric's surface. The correct option is b.