问题详情

Studies conducted during the 1970s on parents-children relationship indicated that ______.
A．adolescence did not cause as much trouble as clinicians and theorists had stated
B．children"s aggressiveness and rebelliousness were growing
C．children-parents relationship was declining
D．teenagers became even more abhorrent of their parents请帮忙给出正确答案和分析，谢谢！