What Is Significant About the Findings from "Split Brain" Patients

What is significant about the findings from "split brain" patients studied by Roger Sperry and his collaborators?

A) These studies revealed that the right and left hemispheres both function primarily to enable people to understand and produce language.
B) These studies revealed that the right and left hemispheres both function primarily to enable people to describe qualities of objects such as shape and texture.
C) These studies revealed that the left hemisphere functions primarily in understanding and producing language while the right hemisphere functions instead in describing qualities like shape and texture.
D) These studies revealed that the right hemisphere functions primarily in understanding and producing language while the left hemisphere functions instead in describing qualities like shape and texture.