Which of the Following Provides Evidence That People Are NOT

Which of the following provides evidence that people are NOT simply either left-brained or right-brained?

A) The functions of the hemispheres have been found to overlap.
B) The hemispheres respond simultaneously when we focus on something.
C) The myelination of the corpus callosum aids in integrating emotional and logical functioning.
D) The hemispheres, when focused on their specialized task, override the alternative hemisphere.