The phrase in the sentence tells the meaning of the word grievance is in option B which is “a formal complaint” because it mean the same thing with the original word.
Synonyms refers to word that have the same or similar meaning with the original word use in the sentence. The words means exactly the same as the original word.
Therefore, The phrase in the sentence tells the meaning of the word grievance is in option B which is “a formal complaint” because it mean the same thing with the original word
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