A-A+
According to the passage modern industry must
问题详情
According to the passage, modern industry must have developed ______ .
A．before the Middle Ages
B．about in the nineteenth century
C．in Greece or Rome
D．machines to take tests请帮忙给出正确答案和分析，谢谢！
参考答案
正确答案：B
解析：细节辨认题。由第四段"The written examination, where all the students are tested on the same questions, was probably not known until the nineteenth century. It perhaps came into existence with the great increase in population and the development of modern industry" 可得出正确答案为B。
