Fordebuggingpurposes youneedtorecordhowmanytimesagivenJSPisinvokedbeforetheuser’ssessionha

Fordebuggingpurposes，youneedtorecordhowmanytimesagivenJSPisinvokedbeforetheuser’ssessionhasbeencreated.TheJSP’sdestroymethodstoresthisinformationtoadatabase.WhichJSPcodesnippetkeepstrackofthiscountforthelifetimeoftheJSPpage？（）

A、<%!intcount=0；%><%if（request.getSession（false）==null）count++；%>

B、<%@intcount=0；%>.<%if（request.getSession（false）==null）count++；%>

C、<%intcount=0；.if（request.getSession（false）==null）count++；%>

D、<%@intcount=0；.if（request.getSession（false）==null）count++；%>

E、<%!intcount=0；.if（request.getSession（false）==null）count++；%>