单选

某电子商务公司经营办公用品,其配送中心负责向用户送货,某日有6个用户订货并要求送货。配送中心P和各用户(A、B、C、D、E、F)的位置、各用户的订货量,以及与配送中心的直线距离如图4-3所示(括号内所标的是各用户的要货量,单位为吨;两点间连线上的数字为两点间的距离,单位为公里)。假设可使用的送货车辆最大载重量分别为1.5吨和2.0吨,每辆车一次运行的最大距离为85公里,则送货距离为最短的配送路线是(65)。

  • A.P——A——B——P;P——C——D——E——F——P
  • B.P——E——F——P;P——A——B——C——D——P
  • C.P——A——B——C——P;P——D——E——F——P
  • D.P——F——A——B——P;P——C——D——E——P
参考答案
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