问题详情

According to the passage, it is true that______.
A．in the late 19th century in the United States the dividing line between adolescence and adulthood no longer existed
B．no one can marry without the permission of his parents until the age of twenty-one
C．one is considered to have reached adulthood when he has a driver"s license
D．one is not free from the restriction of child labor laws until he can join the army请帮忙给出正确答案和分析，谢谢！