The right answer is C. Pie Chart.
A pie chart is a type of chart used in statistics. It allows to represent a small number of values by angles proportional to these values.
Commonly used in economics and the business world (for their "elegant" presentation) or in the media (press / magazines, television, web, survey results ...), they are also used in the scientific field.
This diagram represents well the percentages of cells in phases of mitosis in order to compare them by using the portions instead of comparing the numbers.
