题目内容：
根据短文回答题。The American FamilyIn the American family the husband and wife usually share important decision making. When the children are _______(1) enough, they take part as well.Foreigners are often surprised by the permissiveness (宽容) of American parents. The old rule that "children should be seen and not heard" is rarely _______(2), and children are often allowed to do _______(3) they wish without strict control of their parents. The father seldom expects his children to listen to him
_______(4) Question, and children are encouraged to be _______(5) at an early age. Some people believe that American parents carry this freedom _______(6) far. Others think that A strong father image would not _______(7) the American values of equality and independence. Because Americans emphasize the importance of independence, young people are expected to _______(8) their parental families by the time they have _______(9) their late teens or early twenties. Indeed, not to do so is often regarded as A_______(10), A kind of weak dependence.
This pattern of independence often results in serious _______(11) for the aging parents of A small family. The average American is expected-to live
_______(12) The age of 70. The job-retirement age is _______(13) 65. The children have left home, married, and _______(14) their own households. At least 20 percent of all people over 65 do not have enough retirement incomes. _______(15) The major problem of many elderly couples is not economic. They feel useless and lonely with neither an Occupation nor A close family group.请选择（1）处的最佳答案。 A．senior
B．junior
C．old
D．young
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