THÔNG TIN NẰM Ở ĐOẠN 4 “BABIES OBVIOUSLY DERIVE PLEASURE FROM SOUND INPUT, TOO

Câu 9: CGiải thích: Thông tin nằm ở đoạn 4 “Babies obviously derive pleasure from sound input, too: even as young asnine months they will listen to songs or stories, although the words themselves are beyond their understanding”