The engineering team installed emergency backup generators to ensure uninterrupted electrical supply in the ______ of a grid outage.

Answer and explanation

Correct answer: C. event

  1. Step 1: Analyze emergency planning idiom: Preparing for a contingency uses the formal phrase 'in the event of [occurrence]'.
  2. Step 2: The noun completing the prepositional idiom is 'event'.
Answer
event.
Why not the others: 'absence', 'exclusion', and 'dismissal' do not form the standard conditional idiom.

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