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Correct answer: D. A citation makes a claim checkable, but nobody opens it, and client advice is where checking matters
Explanation
The principle — a citation changes what is possible, not what has happened. It makes a claim checkable by someone, and a workflow only benefits if someone actually does the checking.
Why the key is correct — the team has built half of a good process. Enabling search is right, because ChatGPT can search the web and cite sources when it needs current information, and deep research returns a report with citations or source links specifically so you can verify the information. The word in OpenAI's own description is verify, which presupposes a person doing it. Against that, OpenAI's guidance is explicit that ChatGPT can make mistakes and that you should check important information, particularly anything date-, time- or location-sensitive. Client advice is the highest-stakes case in the scenario, so it is precisely where the missing step costs the most. The rule as written treats the appearance of a link as the end of the process rather than the beginning of it.
Why the others are wrong — turning search off would make things worse, since retrieval is what makes a current claim checkable in the first place. Calling the rule sound repeats the exact confusion under examination, treating a citation as evidence that checking occurred. And removing citations before publishing is the worst of the four: it makes the claim harder for anyone downstream to verify while doing nothing about whether it is correct.
Remember this — the useful test for any AI workflow is to ask which human step converts a plausible answer into a checked one, and whether anyone actually performs it. Calibrate that step to the stakes: brainstorming tolerates errors easily, while advice someone will act on deserves a source that has been opened and read. A process that produces citations nobody reads has bought the appearance of rigour rather than rigour.
Sources — OpenAI's ChatGPT Voice, What is ChatGPT FAQ and Deep research articles.
Sources
“ChatGPT can make mistakes. Check important information, especially for date-sensitive, time-sensitive, or location-sensitive questions.”
“You get a structured report with citations or source links so you can verify the information.”
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