An infinitely large current-carrying sheet lies on the xy-plane carrying current in the y-direction. Which of the following is false about the magnetic field that it creates?( )

A、ThemagneticfieldcanbecalculatedusingAmpere’slaw.
B、Themagneticfielddependsonthedistanceawayfromtheplane.
C、Themagneticfieldisinthepositivex-direction.
D、Themagneticfielddependsonthecurrentdensityinthesheet.