题目选项分析

The impasse that resulted in the late 19th century from the incompatibilities of electromagnetism with Newtonian physics was so great as to require the astonishing imagination of Einstein to formulate a new framework that challenges conventional notions of space and time even today.

The impasse that resulted in the late 19th century from the incompatibilities of electromagnetism with Newtonian physics were so great that they required the astonishing imagination of Einstein in formulating a new framework that challenges conventional notions of space and time even today.