The Basic Conclusion About Attention from the Research on Change

The basic conclusion about attention from the research on change blindness is that

A) our attention seems to be automatically drawn to change.
B) we are so prepared to detect sameness that we appear incapable of detecting change.
C) we notice a few details (depending on what we paid attention to) but otherwise we retain the gist of a scene.
D) attention cannot be studied scientifically in the way that memory can.