单选题 From the Passage, we learn that the total population of Africa is approximately ______.

A、 seven hundred million
B、 one hundred and twenty-five million
C、 eight or eight point five thousand million
D、 one hundred million

【正确答案】 B

【答案解析】细节推算题。根据第三段"In Africa there are at least one hundred million illiterates, comprising eighty to eighty-five percent of the total population" 可以用数学的方法计算非洲的总人口数。