Columnist: Almost anyone can be an expert, for there are no official guidelines determining what an expert must know. Anybody who manages to convince some people of his or those may be—is an expert.
What this question is testing
Your task
Find the assumption that, if added, guarantees the conclusion follows.
Common trap
Answers that only partly bridge the gap, leaving the conclusion unproven.
Winning move
Identify the new term in the conclusion and pick the choice that links it to the evidence.
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