The impasse that resulted in the late 19th century from the incompatibilities of electromagnetism with Newtonian physics were so great as to require the astonishing imagination of Einstein to formulate a new framework which challenged conventional notions of space and time even today.
A) were so great as to require the astonishing imagination of Einstein to formulate a new framework which challenged
B) were so great that it required the astonishing imagination of Einstein in formulating a new framework which challenges
C) were so great that they required the astonishing imagination of Einstein in formulating a new framework that challenges
D) was so great in requiring the astonishing imagination of Einstein to formulate a new framework that challenged
E) was so great as to require the astonishing imagination of Einstein to formulate a new framework that challenges
OA E
Source: Magoosh
A) were so great as to require the astonishing imagination of Einstein to formulate a new framework which challenged
B) were so great that it required the astonishing imagination of Einstein in formulating a new framework which challenges
C) were so great that they required the astonishing imagination of Einstein in formulating a new framework that challenges
D) was so great in requiring the astonishing imagination of Einstein to formulate a new framework that challenged
E) was so great as to require the astonishing imagination of Einstein to formulate a new framework that challenges
OA E
Source: Magoosh
