The authors employ a wide variety of visual aids like pie graph, bar graph, diagram, etc. that presents the information in a graphic or pictorial form to make it more interesting for the audience and help them understand and remember the information more conveniently and comprehensively.
As per the question, the 'pie graph' would help present the proportions of deaths due to accidents, homicides, illnesses, and natural causes through various slices of the graph. Each slice would help present the proportional quantity of deaths due to each factor that would assist the audience to understand the information clearly. Therefore, <u>option D</u> is the correct answer.
