56. According to this passage, which of the following statements is true?
(A) Scary lullabies better help babies fall asleep.
(B) Mothers prefer to sing lullabies with a joyful melody.
(C) Lullabies comfort not only the baby but also the mother.
(D) Babies react to both the music and the lyrics of lullabies.
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統計: A(15), B(17), C(108), D(21), E(0) #1752059
統計: A(15), B(17), C(108), D(21), E(0) #1752059