What does the idiom 'let the cat out of the bag' mean?

Answer and explanation

Correct answer: B. to reveal a secret by mistake

  1. Step 1: The idiom 'let the cat out of the bag' means: to reveal a secret by mistake. Answer: to reveal a secret by mistake. Why not the others: to set a pet free at night, to start a fight among friends and to lose something very valuable don't fit.

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