1. The Logic Structure:

The sentence presents a Contrast between two ways of handling "more and more digital information."
- Method 1 (The Foil): The "unrefined augmentation of archival infrastructure." This is described as a "brute-force" or thoughtless expansion-just buying more hard drives.
- Method 2 (The Target): A "strategic framework" for "managing" the surplus.
- The Inference: If the first method is "unrefined" (unthinking/automatic), the second method must be "refined," "thoughtful," or "selective." We are looking for a pair of words that describe using good judgment or being selective about what is saved.

2. Evaluating the Choices (Grammar & Logic Audit):

- A. sustainable: (Thematic Trap) This is a common "modern-day" buzzword. While just adding storage might not be sustainable, the sentence contrasts "unrefined" expansion with "management." Management implies judgment, not just longevity. There is also no synonym for "sustainable" in the list.
- B. judicious: (Correct) Derived from "judge," it means having or showing good judgment or sense. This perfectly contrasts with the "unrefined" (senseless) adding of storage.
- C. onerous: (Negative Trap) Means burdensome or involving great effort. Organizations want an efficient solution, not a more burdensome one.
- D. discriminating: (Correct) In an intellectual context, this means showing good judgment or being able to perceive fine distinctions. A "discriminating" way to handle data means choosing what is valuable and what is not.
- E. parsimonious: (Economic Trap) Means very unwilling to spend money. While this might relate to the cost of storage, it doesn't fit the "strategic management" aspect as well as the "judgment" words do.
- F. prohibitive: (Context Trap) Usually refers to a price being too high to pay. It does not describe a "manner" of dealing with information.