<span>There are several terms that are indicative of the tendency to get away from the unknown, including:
Aversion to ambiguity
Clustering illusion
Anchoring and adjustment
Recency bias
Availability bias</span>
A single-interest group is a group that is trying to push forward legislation and momentum around, well, a single-issue.
This might mean gun-control or reproductive rights.
They might have candidates in one party that they prefer but they are broadly trying to convince ALL candidates to believe what they believe.
So, B is the correct answer.