ACCorDing to thosE who support mErgErs, rAilwAy monopoly is unlikEly BECAusE ______.
A．Cost rEDuCtion is BAsED on CompEtition
B．sErviCEs CAll For Cross-trADE CoorDinAtion
C．outsiDE CompEtitors will ContinuE to Exist
D．shippErs will hAvE thE rAilwAy By thE throAt