In the Personal Application,Evaluating the Concept of "Two Minds in One," what was the conclusion regarding left-brain and right-brain thinking

A)  Right-brain people benefit most from learning to do more left-brain activities. 
B)  There is strong evidence to support modification of school curriculum to support both types of thinking. 
C)  Career choice is strongly correlated with which side of the brain is most dominant. 
D)  The link between hemispheric lateralization and ability is speculative and unsupported.