阅读短文和方框中的五个句子，请将这五个句子分别填入文中相应的位置，使文章完整通顺．Thesedays，moreandmorechildrenarebecomingoverweight．（66）___Doctors，teachers，andotheradultsbelievethatch

　　阅读短文和方框中的五个句子，请将这五个句子分别填入文中相应的位置，使文章完整通顺．

　　These days，more and more children are becoming overweight．（66）___ Doctors，teachers，and other adults believe that children are not getting the right amount of exercise and are not eating the right kinds of food．

　　In the past，children used to be more active．（67）___ Children helped on the farms and in the factories．Children didn't have much time to sit around．Today children go to school and come home to watch the television or play video games．（68）___ Children are not getting enough exercise，such as running，walking，or riding bikes．

　　（69）___ More and more families are eating at restaurants or too much fast food．In other words，children are eating too many unhealthy foods．

　　Children should mostly be eating fruits，vegetables，grains and cereals，some dairy products，and only a little meat，poultry （家禽肉） and oil．（70）___

　　A．These types of foods can help children keep their weight down and help the body fight diseases．

　　B．In early America，there was a lot of work to be done．

　　C．Too many of their activities involve sitting and not being active enough．

　　D．Another main reason for children being overweight is the types of food they eat．

　　E．Why is this happening？