English Language · Idioms and Phrases
Pick out the correct meaning of the given idiom/phrase: 'canary in the coal mine'
- 1A specialized piece of software used by tech giants to protect user privacy.
- 2A rare species of bird found in digital landscapes that sings during data breaches.
- 3An early warning sign of a coming danger or a looming disaster.✓
- 4A biological method of testing the air quality in deep underground mining shafts.
Correct answer
An early warning sign of a coming danger or a looming disaster.
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