单选题 Which of the following about the 97% population is true?

A、 The data 'about the 97% population is rich.
B、 Historians had a set of numbers indicating the date of their birth, marriage and death.
C、 The 97% population had nothing that is worth of recording.
D、 The data historians had presented a vivid picture of the 97% population.

【正确答案】 B

【答案解析】根据文章第一段可知历史学家所面临的困难是没有关于这97%的人口的思想或其它相关记录，有的只是他们的生卒日期及结婚日期，而且这些数字无法展现这97%的人口的全貌。[A)与文意相反。[C]与文意不符，文章只是说这些人没有记录他们的思想，并不是说他们没有思想可记录。[D]与文意相反，根据历史学家所获得的数据无法描绘出这些人的情况。