A map titled Population Density of Africa with regions labeled A through D. A key shows Persons per square kilometer by color. 0 = gray, 1 to 4 = light orange, 5 to 24 = medium orange, 25 to 249 = orange, 250 to 999 = dark orange, 1,000 + = red. Region A has medium orange, orange, and some red shading. Region B has gray, light orange, and one area of red shading. Region C has light orange, medium orange, and orange shading. Region D has light orange, medium orange, and orange shading.
Which region in Africa contains the highest population density?

A
B
C
D