王伟同学研究了均匀拉紧的琴弦发音频率与弦长的关系，并记录了实测的数据（如下表所示）．请你根据记录表中的有关数据，分析并估算出他有意留出的空格中应该填写的数据（要求写出估算的过程）．

The Renaissance is actually a movement stimulated by a series of historical events EXCEPT ______.

A. the rediscovery of ancient Roman and Greek culture
B. the vast expansion of British colonies in North America
C. the new discoveries in geography and astrology
D. the religious reformation and the economic expansion