Less Than 1 Percent of Adults in Tanzania Are Left-Handed

Less than 1 percent of adults in Tanzania are left-handed because:

A) their brains begin to lateralize in infancy and toddlerhood.
B) the majority of the population demonstrates weak hemispheric dominance.
C) left-handed children are often physically restrained and punished.
D) there are more right-handed than left-handed parents.