What conclusion is supported by the data in the statement and the graph?
A
Over time, many people have migrated from rural areas to urban areas within Sub-Saharan Africa.B
Over time, many people have emigrated from rural Sub-Saharan Africa to urban regions in North Africa.C
Over time, many people have immigrated to rural and urban Sub-Saharan Africa from other continents.D
Over time, many people have migrated from rural areas in North Africa to urban areas in Sub-Saharan Africa.