A new study suggests that the conversational pace of everyday life may be so brisk it hampers the ability of some children for distinguishing discrete sounds and words and, the result is, to make sense of speech.

A new study suggests that the conversational pace of everyday life may be so brisk it hampers the ability of some children for distinguishing discrete sounds and words and, the result is, to make sense of speech.

A it hampers the ability of some children for distinguishing discrete sounds and words and, the result is, to make

B that it hampers the ability of some children to distinguish discrete sounds and words and, as a result, to make

C that it hampers the ability of some children to distinguish discrete sounds and words and, the result of this, they are unable to make

D that it hampers the ability of some children to distinguish discrete sounds and words, and results in not making

E as to hamper the ability of some children for distinguishing discrete sounds and words, resulting in being unable to make

考点：用词
选项分析：A so……that用词错误，distinguishing和to make 时态不一致
          B 正确
          C they 指代不明显
          D 逗号之后，用and，应该用完整的句子
          E so……that用词错误

考点：平行结构和用词
 本句的平行结构式是不定式：to distinguish和to make，这样使得句子更加清晰。ability 后面的介词是to，而不是for
 A distinguishing和to make 结构不平行
 B 正确
 C the result of this，作为插入语不正确
 D 逗号之后，用and，应该用完整的句子
 E ability后面是to，而不是for

考点：平行结构和用词
 本句的平行结构式是不定式：to distinguish和to make，这样使得句子更加清晰。ability 后面的介词是to，而不是for
 A distinguishing和to make 结构不平行
 B 正确
 C the result of this，作为插入语不正确
 D 逗号之后，用and，应该用完整的句子
 E ability后面是to，而不是for