The code segment below is intended to swap the values of the variables first and second using a temporary variable, temp. temp - first first - second what can be used to replace so that the code segment works as intended?

The purpose of a preliminary hearing in juvenile court isa-to determine if there is a probable cause to proceed with trialb-to determine if the juvenile will be a detailed pending trialc- to appoint counsel for the juvenile defendant d-to impose sentencing