Which statement is true of handedness and hemispheric speech dominance?
A. More than 90 percent of the population shows right-hemisphere dominance for speech.
B. Left-hemisphere speech dominance is noted in 50 percent of right-handed people.
C. Left-hemisphere speech dominance is noted in 50 percent of ambidextrous people.
D. More than 90 percent of the population shows left-hemisphere dominance for speech.
Answer: D
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