A statistics teacher found that the average quiz score in her class is 86%, and the average test score in her class is 81%.
Which of the following is the best way to represent this data?

A. using a bar graph where one has a length of 86 units and one bar has a length of 81 units

B. using a square with a side length of 86 units and a square with a side length of 81 units

C. using a pie chart with one section labeled 86% and one section labeled 81%

D. using a cube with a side length of 86 units and a cube with a side length of 81 units