Correct option is C
The correct meaning of the idiom
"bell the cat" in the given sentence is
"do the impossible task."
· "Bell the cat" refers to undertaking a dangerous or risky task, often one that is seemingly impossible or very difficult to accomplish.
· Example: Asking for a raise in this economic climate is like trying to bell the cat, similarly using the idiom to describe a challenging action.
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Other options:
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(b) "warn the owners",
(c) "do the impossible task," and
(d) "ring the bells regularly" do not accurately capture the idiomatic expression's intent or meaning.