单选题 Man: I notice you don't buy your lunch in the cafeteria any more. Woman: When prices went up,I decided to bring my own. Question: Why doesn't the woman buy food in the cafeteria?
【正确答案】 C
【答案解析】prices went up是“涨价”的意思。女士在食品涨价后决定自己带午餐,因此应选C。