单选题 "And the word 'green' today can keep food prices going up. "This sentence suggests that consumers today are ______.

【正确答案】 D
【答案解析】推理题。今天“绿色食品”这几个字在包装上会使食物涨价,因为人们越来越关注健康。应选[D],其余三项均与原文内容无关。