Final answer:
A good use of synonyms in writing is to add new words to your writing, which can make it more interesting and varied.
Step-by-step explanation:
A good use of synonyms in writing is option C, to add new words to your writing. Synonyms are words that have similar meanings to other words. By using synonyms in your writing, you can avoid repetition and make your writing more interesting and varied.
For example, instead of repeatedly using the word 'happy' in a story, you can use synonyms like 'joyful', 'delighted', or 'ecstatic' to describe the characters' emotions.
This helps to engage the reader and create a richer and more vibrant text.
Learn more about The importance of using synonyms in writing