Answer:
I think its B. When needing a variety pf words in your writing
Step-by-step explanation:
A thesaurus or synonym dictionary is a reference work for finding synonyms and sometimes antonyms of words.
A thesaurus is used to find words that are interesting to use in place of other words and is used to make texts that are more interesting. Revised with a thesaurus: A thesaurus is used to identify vocabulary that is interesting to utilize in place of other words and is employed to create texts that are more engaging. So sorry if its wrong!! But I hope the explanation helps!