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.

A.An
B.
B.The
C.
C.A
D.
D.The
E.

【参考答案】

A
解析：本题问以下哪个选项是作者提到的导致美国孩子角色改变的原因。根据文章第二段内容，随着社会的不断复杂化，孩......

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