By the 1970s,some Architectural Historians Began to Argue That Modernist

By the 1970s,some architectural historians began to argue that Modernist steel-cage rectangular solids were threatening to __________.

A)  ​become the pyramids of the twentieth century 
B)  ​nationalize the country's architecture 
C)  ​ruin the environment 
D)  ​tarnish the country's reputation 
E)  ​bury the nation's cities in boredom