题目

保护动植物资源是维护生态平衡的重要方面（ ） 答案：正确.Everyone in the village is very friendly. It doesn’t matter ___ you have lived there for a short or a long time.A. why?? ????????????? ????????????? ????????????? B. how? ????????????? ????????????? ????????????? C. whether?? ????????????? ????????????? D. When