Four-Month-Old Infants Respond More to a Film_______ Than to a Film______

Four-month-old infants respond more to a film_______ than to a film______ .

A) of a monkey hopping; of a human hopping
B) that matches the sounds they are hearing; that doesn't match the sounds they are hearing
C) showing a face in which lips move out of sync with the speech they hear; showing a face in which lips move in sync with the speech they hear
D) showing a person saying “peek-a-boo”; showing ahand beating a drumstick against a block