The correct answer is C. They help writers focus on the task and organize their writing
Step-by-step explanation:
A rubric is a set of standards or criteria required in a specific task, it is usually used as an assessment tool in educational contexts defining what is expected from a student in a task such as discourses, presentations, essays, researches, and others. In this way, rubrics are an organized guide to complete a task appropriately by focusing on the standards set or points that are key and/or will be evaluated. Like other types of tasks, rubrics can be designed for writing tasks, and as mentioned before this is useful for the writer to focus on the key points of the task and in this way organizing their writing to accomplish those requirements of the rubric.