题目

____ since the night before, I felt very hungry.A. Having eaten anything      B. Not having eaten anything C. I hadn’t eaten anything           D. Not eating anything 答案：B如图，已知一条公路MN附近有4个村庄A、B、C、D，按要求作图：（1）找出一个建生活垃圾临时收集站的地点P，使四个村庄去扔垃圾时的总路程最小；（2）画出一条生活垃圾临时收集站到公路的最近运输路线；（3）在公路上找到一个最合适的公交停靠站Q．