A. They want to return to nature. B. They want to eat all kinds of foods. C. Natural foods are very delicious. D. They are more health conscious. 参考答案:D 答案解析:[命题目的] 本题考查对文章细节的理解。 [解题要点] 根据题意,确定答案在第一段第一句话“people...become aware of the need to change their e