Choose the idiom/phrase that can substitute the highlighted group of words meaningfully.
To abandon your friends now would be a break of confidence.
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. Breach of faith.
"Breach of faith" means a violation of trust or confidence, which fits the context of abandoning friends.
In the sentence, the idea is about breaking trust, and "breach of faith" directly conveys this meaning.
The other options don't fit:
In the dark means unaware or uninformed.
Spill the beans means to reveal a secret.
Off on the wrong foot means to start something badly or with a mistake.