根据下列材料，请回答下列各题： Expertsinthefoodindustryarethinkingalotabouttrashthesedays.Fo

根据下列材料，请回答下列各题： Experts in the food industry are thinking a lot about trash these days. Food waste has been a serious problem for restaurants and grocery stores—with millions of tons lost along the way as crops are hauled hundreds of miles, stored for weeks in refrigerators and prepared on busy restaurant assembly lines. Restaurants, colleges, hospitals and other institutions are compensating for the rising costs of waste in novel ways. "We have all come to work with this big elephant in the middle of the kitchen, and he elephant is this Its okay to waste belief system," said Andrew Shackman, president of LeanPath. A company that helps restaurants cut back food waste. Freshman students at Virginia Tech were surprised this year when they entered two of the campus’s biggest dining halls to find there were no cafeteria trays. “ You have to go back and get your silverware and your drink, but its not that different,” said Caitlin Mew born, a freshman. “Its not a big deal. You take less food, and you dont eat more than you should. ” Getting rid of trays has cut food waste by 38 percent at the cafeterias, said Denny Cochrane, manager of Virginia Techs sustainability program. Before the program began, students often grabbed whatever looked good at the buffet (自助餐), only to food at the table that their eyes were bigger than their stomachs, he said. According to the first paragraph,

A. lots of food are wasted as crops are hauled from far away

B. food waste is the most serious problems for restaurants and stores

C. experts put forward many proposals to solve the issue of trash

D. .busy restaurant assembly lines produce millions of tons of trash