In Constantin Brancusi's Sculptures,such as Bird in Space,he Reached for the Essence

In Constantin Brancusi's sculptures,such as Bird in Space,he reached for the essence of the subject by __________.

A)  ​leaving a few recognizable features for the viewer 
B)  ​finding the simplest form that, along with a title, would fire recognition in the viewer 
C)  ​purposefully stripping away any nod at representation and allowing the title to determine the subject 
D)  ​trying to depict movement in a manner similar to Umberto Boccioni 
E)  ​following the tenets of Autonomist Surrealism