单选题 .  It is natural for young people to be critical of their parents at times and to blame them for most of the misunderstandings between them. They have always complained, more or     1    justly, that their parents are out of touch     2    modern ways; that they are possessive and dominant;     3    they do not trust their children to deal with crises; that they     4    too much about certain problems—and that they have no     5    of humor, at least in parent-child relationships.
    I think it is true that parents often     6    their teenage children and also forget how they themselves felt     7    young.
    Young people often irritate their parents with their     8    if clothes and hairstyles, in entertainers and music. This is not their     9    . They feel cut off from the adult world into which they have not     10    been accepted. So they create a culture and society of their own.     11    , if it turns out that their music or entertainers or vocabulary or clothes or hairstyles     12    their parents, this gives them additional enjoyment. They feel they are     13    , at least in a small way, and that they are leaders in style and     14    . Sometimes you are resistant, and proud because you do not want your parents to     15    of what you do. If they did approve, it looks as if you are     16    your own age group. But in that case, you are     17    that you are the underdog (失败者): you can't win but at least you can keep your honor. This is a     18    way of looking at things. It is natural enough after long years of childhood,     19    you were completely under your parents' control. But it     20    the fact that you are now beginning to be responsible for yourself. So if you plan to control your life, cooperation can be part of that plan.1.