单选题 Hersheypark began integrating recycling into its public information programs more than five years ago.
【正确答案】 B
【答案解析】including:包括;incorporating:复合的;indicating:指示的;indulging:娇宠的,放纵的。题中integrating意为“整合的;统一的”,因此B项符合题目要求。