The literacy rate in Kenya is 85% of the total population, compared to a literacy rate of 61% in Sudan.
Which of these offers the BEST explanation for the difference in literacy rates between the two nations?
A) Sudan has been involved in civil war for the past two decades.
B) Kenya spends more of its budget on education that Sudan does.
C) In Sudan, students are required to pay tuition to attend school.
D) Kenya is able to recruit better teachers than other areas of Africa.