with A nAvigAtion ComputEr, A DrivEr will EAsily FinD thE BEst routE to his DEstinAtion ______.
A．By inputting thE ExACt ADDrEss
B．By inDiCAting thE loCAtion oF his CAr
C．By ChECking his ComputEr DAtABAsE
D．By giving voCAl orDErs to thE ComputEr