问题详情

The second paragraph mainly tells us that ________.
A) parents should be strict with their children
B) parental controls reflect only the needs of the parents and the values of the community
C) parental restrictions vary, and are not always enforced for the benefit of the children alone
D) parents vary in their strictness towards their children according to the situation请帮忙给出正确答案和分析，谢谢！