题目内容：
根据下面资料，回答题 In 2008, the United States Department of Agriculture (USDA) wanted to know if all the schoollunches served to students were healthy．The answer was a big,fat NO!
The USDA found that most American schools served lunches with too much fat and salt．They alsofound that most of the fruits and vegetables in the lunches came from cans (罐头)．Canned fruits andvegetables are not as good as fresh ones．
The USDA gives schools food and money to make lunches．But schools make up their own menus．Somemake healthy lunches．Most do not．Now the USDA wants all schools to serve more healthy lunches．Theywant schools to follow the USDA' s guidelines for balanced (均衡) meals．
Mike Sanders,in charge of the USDA in 2008, said the USDA should teach school workers how tomake healthier lunches． "A good school lunch is just as important as a good textbook, "Sanders said．Hesaid that children also need to learn about healthy foods．
The USDA is working on a new program--Fresh Start．It will give schools more fresh fruits andvegetables．Fresh Start will also help schools change their lunches to make them healthier．To find thebest way to change lunches, the USDA held meetings with parents,school leaders, doctors,and cooks．
Children already eat healthy lunches at Chief Joseph School in North Saratoga, Oregon．They havewhole-wheat bread with low-fat cheese, and low-fat milk．
What did the USDA find about lunches in most American schools in 2008．9 A．They contained too much fat and salt．
B．They were mostly fruits and vegetables．
C．Most of them were healthy．
D．Most of them were canned food．
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