The correct answer is B. Revising a draft of an essay
Step-by-step explanation:
An online synonym finder is a type of tool that allows users to find synonyms of words instantaneously usually through the internet. This tool is useful for writing and revising texts as it is important to avoid repeating over and over the same words and instead include a variety of terms with similar meanings (synonyms). This can be used in any text but it is especially recommended in formal academic texts such as articles, essays, reports, etc. because of this, using an online synonym finder would be useful in the case of revising a draft of an essay.