Regarding Our Perception of Three-Dimensional Space, Which of the Following

Multiple Choice

Regarding our perception of three-dimensional space, which of the following statements is/are TRUE?

A) To a large extent, our experience of three-dimensional space is constructed from countless tiny differences between what the right and left eyes see.
B) Studies of the brain have shown that visual areas do contain cells that detect disparities.
C) When stereograms are properly viewed, one to each eye, a center areas seems to float above the background, showing that the brain is very sensitive to any mismatch of information.
D) All of these statements are true.