Answer:
D.
Step-by-step explanation:
The word 'iterative' is derived from the Latin word 'iterare', which means 'to repeat.'
Iterative is a term used to define a process of repetition to attain the desired outcome. It is a repetitive process performed to improve or do better than before.
The statement that correctly defines the term 'iterative' is option D. The statement talks about working in cycles (repetition) to get a desired result of (refined product).
Therefore, option D is correct.