Even though she thought the informant was untrustworthy, the journalist promised not to reveal his identity so long as the information he provided did not turn out to be false. However, she will publicly reveal the informant's identity if she is ordered to do so by a judge or her editor. After surely reveal the informant's identity even if the the information is accurate.
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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