考博考试

【单选题】 According to the author, an unborn baby ______.
A．is unable to identify his mother' s lullaby after birth
B．is able to identify his mother' s voice rather than that of others'
C．is able to help release adrenaline and other stress-related hormones
D．is able to distinguish French accent from Russian accent

网考网参考答案：B
网考网解析：
根据DeCasper的实验结果可知选项B正确。 查看试题解析出处>>