Which of the following statements is NOT an argument against Bowlhy‘s theory？

Which of the following statements is NOT an argument against Bowlhy‘s theory？ 查看材料

A.Many studies show that day care has a positive effect on children"s development，

B.The fact that there are so many nursery schools today shows that day care is safe.

C.The separation of young children from their parents is common in some traditional societies.

D.Parents find the immediate effects of early day care difficuh to deal with.

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