The relationship between PROGRESS and PROGRESSIVE is that the second word is an adjective form derived from the first (noun).
Option (A) — terror : terrorist — is noun to noun (person associated with the concept), not noun to adjective.
Option (B) — sympathy : sympathizer — is also noun to noun, meaning a person who feels or expresses sympathy. This does not match the noun-to-adjective pattern.
Option (C) — revolution : revolutionary — matches the pattern: “revolutionary” can be an adjective describing something related to revolution.
Option (D) — reform : reformist — is similar; “reformist” can be an adjective describing reform-related ideas.
Thus, (B) is the one that does not fit the adjective-derivation relationship.