When 2-Month-Olds Listened to the Speech of Their Mother or a Stranger

When 2-month-olds listened to the speech of their mother or a stranger, the left hemisphere of the brain activated. But, when they listened to music, both areas activated. Such evidence illustrates

A) the existence of Broca's and Wernicke's language regions in newborns.
B) infants' early preference for music as an emotional experience
C) preferences for mothers' voice over music
D) how differences in density of neurons in certain brain regions make them suited to the processing of speech.
E) that infants are born with certain structures in the brain that process speech, and other innate structures that process tempo.