YouarebuildingaFrontControllerusingaJSPpageandyouneedtodetermineiftheuser’ssessionhasNOTbeencreatedyetandperformsomespecialprocessingforthiscase.Whichscriptletcodesnippetwillperformthistest?()

YouarebuildingaFrontControllerusingaJSPpageandyouneedtodetermineiftheuser’ssessionhasNOTbeencreatedyetandperformsomespecialprocessingforthiscase.Whichscriptletcodesnippetwillperformthistest？（）

A、<%if（request.getSession（false）==null）{//specialprocessing}%>

B、<%if（request.getHttpSession（false）==null）{//specialprocessing}%>

C、<%if（requestObject.getSession（false）==null）{//specialprocessing}%>

D、<%if（requestObject.getHttpSession（false）==null）{//specialprocessing}%>