Answer:
Option C. A reader can find tables, charts or graphs useful as they can use these to obtain summary information quickly.
Step-by-step explanation:
Tables, charts or graphs are tools use to present data and help to understand it. when a reader finds one of them in a piece of work they can use them to get a quick idea of the summary information the piece is talking about. whether the author is trying to make a comparison, show the relationship between two points or highlight an event or trend, these tools are going to work as a quick way of showing the reader what the author is "talking" about.