Answer: C) Maya wrote a letter about her new cat to her best friend.
Explanation: an adjective is a word that describes or modify a noun or a pronoun in a sentence. From the given options, the revision that uses an adjective phrase to add more detail is the correspondign to option C: Maya wrote a letter about her new cat to her best friend, because it uses the adjective phrase "about her new cat" that modifies the noun "letter." The other options are incorrect because the first one uses a noun phrase, and the second one and last one use adverbial phrases.
