Question

you are trying to find some words you can use in your writing that mean the same as \guide.\ which source should you use?
almanac
dictionary
thesaurus
encyclopedia

Explanation:

An almanac provides annual data/statistics, a dictionary defines word meanings, an encyclopedia covers general knowledge topics, while a thesaurus is specifically designed to list synonyms (words with the same meaning) and antonyms of a given word. To find alternatives for "guide" for writing, a thesaurus is the correct source.

Answer:

C. Thesaurus