The Theoretical Significance of Random Dot Stereograms Is That They

The theoretical significance of random dot stereograms is that they show that

A) accommodation and convergence cannot be uncoupled.
B) stereo vision can be achieved only with identifiable shapes.
C) stereo vision can be achieved without identifiable shapes.
D) the parvocellular system cannot perceive stereo.
E) the magnocellular system cannot perceive stereo.