单选题 Which of the following statements in NOT true according to the second paragraph?______.

【正确答案】 B
【答案解析】[考核题型] 辨析题
[解析] 文章在该段第一句话分号后"but very little... into a mathematical one"意思是说书籍关注的是如何把现实问题转化成一数学问题,其余选项均可以从该段中概括出。