Mathew, a Sales Analyst at Silver Eagle Ventures, Wants to Graphically

Mathew, a sales analyst at Silver Eagle Ventures, wants to graphically represent the company's market share for the years 2011 and 2012 along with that of its two main competitors'.To effectively represent all of this data in one single chart, Mathew should use a:

A) flowchart.
B) Gantt chart.
C) chevron chart.
D) pie chart.
E) doughnut chart.