Answer:
d. fibers, yarns, fabrics, and finishes.
Step-by-step explanation:
We are asked to choose the correct option about the production of textile mills.
We know that a textile mill produces different types of fibers like yarn or fabric. In textile mills different types of fibers are produced and processed into usable products.
Textile mills also do finishing. Finishing is the processes that convert the woven or knitted cloth into a usable material.
Therefore, option 'd' is the correct choice.