单选题 According to the last paragraph, consumers who believe that organic foods are better than conventionally grown foods are often

【正确答案】 B
【答案解析】主旨题。根据最后一段，相信绿色食品比传统食品好的消费者常常是，A项粗心大意的，漠不关心的；B项错误的；C项节俭的；D项富有的