Every kid wishes to be an adult. Do you remember playing houses as a child pretending to be a grownup like your parents? Did you imagine you were a doctor, a soldier or a teacher? At that time, anything seemed more exciting than young. But now as grownups, some adults find they cannot leave childhood behind. They become "kidults"(kid+adult). Being a kidult has become a lifestyle choice among young people across Asia. Some kidults collect toys they once played with. Hello Kitty, Garfield, and Snoopy have many adult fans around the world. It is not unusual to see a 20something woman with a big, Garfieldshaped cushion on her sofa or a Hello Kitty mobile phone accessory . Other kidults still enjoy children's stories and fairy tales. For example, even an edition of the Harry Potter novels with an adult cover came out in Britain. That way, no one else on the subway will know that an adult is actually reading a children's book! "Kidults can be like vitamins to society. Adults who value their childhood and hold on to pure, childlike emotion may be needed in such a rough and dry society," said a professor in a Korean University. He added that kidult culture might fill the generation gap between adults and kids. It could give children and their parents books, movies, and cartoon shows to enjoy together. Tim Greenhalgh, a professor in London explained that some kidults just refuse to grow up. They cling to  childhood because life in a busy and stressful city frightens them. Kidults would like to forget their age and openly show their fear of society and adulthood. "So, they look for an escape from increasingly complex and stressful life that are hard to deal with," Greenhalgh said. The main reason of the kidult culture lies in that  _  .
some companies are taking advantage of it modern life is stressful and hard some people like to stay young and energetic some people wish to bridge the generation gap
Question: Every kid wishes to be an adult. Do you remember playing houses as a child pretending to be a grownup like your parents? Did you imagine you were a doctor, a soldier or a teacher? At that time, anything seemed more exciting than young. But now as grownups, some adults find they cannot leave childhood behind. They become "kidults"(kid+adult). Being a kidult has become a lifestyle choice among young people across Asia. Some kidults collect toys they once played with. Hello Kitty, Garfield, and Snoopy have many adult fans around the world. It is not unusual to see a 20something woman with a big, Garfieldshaped cushion on her sofa or a Hello Kitty mobile phone accessory . Other kidults still enjoy children's stories and fairy tales. For example, even an edition of the Harry Potter novels with an adult cover came out in Britain. That way, no one else on the subway will know that an adult is actually reading a children's book! "Kidults can be like vitamins to society. Adults who value their childhood and hold on to pure, childlike emotion may be needed in such a rough and dry society," said a professor in a Korean University. He added that kidult culture might fill the generation gap between adults and kids. It could give children and their parents books, movies, and cartoon shows to enjoy together. Tim Greenhalgh, a professor in London explained that some kidults just refuse to grow up. They cling to  childhood because life in a busy and stressful city frightens them. Kidults would like to forget their age and openly show their fear of society and adulthood. "So, they look for an escape from increasingly complex and stressful life that are hard to deal with," Greenhalgh said. The main reason of the kidult culture lies in that  _  .
A. some companies are taking advantage of it
B. modern life is stressful and hard
C. some people like to stay young and energetic
D. some people wish to bridge the generation gap
Answer: