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The passage lists benefits (faster entry queues, corrected mismatches) while foregrounding safeguards (volunteers, 24-hour retention, independent audit) and ongoing concerns (bias, privacy). The concluding action—postponement pending a civil-liberties review—signals that decision-makers see value but are not ready to scale without further scrutiny. This combination yields a cautious, balanced tone: operational improvements are acknowledged, yet rights issues remain material. Option A ignores the explicit pause and concerns. Option C conflicts with reported gains and safeguards. Option D misses evaluative cues: the text selects details (audits, mismatches) that shape readers’ judgment. On Nelson–Denny tone questions, attend to verbs (“floated,” “raised,” “postponed”) and governance steps (audits, reviews) that indicate careful weighing rather than zeal or panic. The correct choice reflects pragmatic assessment—recognizing pilot data while demanding due diligence before expansion.