3959下面的短文有l5处空白，请根据短文内容为每处空白确定1个最佳选项。 School LunchResearch has sh958

下面的短文有l5处空白，请根据短文内容为每处空白确定1个最佳选项。 School Lunch Research has shown that over half the children in Britain who take their own lunches to school do not eat __________ （51） in the middle of the day. In Britain schools have to __________（52）meals at lunchtime. Children can__________（53） to bring their own food or have lunch at the school canteen. One shocking finding of this research is that school meals are much __________ （54） than lun-ches prepared by parents. There are strict__________（55） for the preparation of school meals，which have to include one __________（56） of fruit and one of vegetables， as well as meat， a dairy item and starchy food like bread or pasta. Lunchboxes __________（57 ） by researchers contained sweet drinks， crisps and chocolate bars. Children__________（58） twice as much sugar as they should at lunchtime. The research will__________ （59） a better understanding of why the percentage of overweight students in Britain has__________ （60） in the last decade. Unfortunately， the government cannot__________（61） parents， but it can remind them of the__________ （62） value of milk， fruit and veg-etables. Small changes in their children"s diet can__________（63）their future health. Children can easily develop bad eating__________（64） at this age， and parents are the only ones who can __________ （65）it. 51 查看材料 A.certainly B.properly C.probably D.possibly 请帮忙给出正确答案和分析，谢谢！