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Which of the following does the author mention as a cause of

changes in the role of the child in the United States?





A) An increase in technology.


B) The growing complexity of the child.s psychological needs.


C) A decrease in the child.s intellectual capacities.


D) The growing number of single parent families.

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出自：河南财经政法大学-法学（专升本）-大学英语4

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