问题详情

The argument against Bowlby"s conclusion shows that ______.
A. there is on negative delayed effect on infants who go to school before three
B. there is long-term effect on infants who go to school before three
C. children who are sent to school before three are subject to mental illness
D. children have problems with day care请帮忙给出正确答案和分析，谢谢！