Youarecreatingacontentmanagementsystem(CMS)&ensp

Youarecreatingacontentmanagementsystem（CMS）&ensp

Youarecreatingacontentmanagementsystem（CMS）withawebapplicationfront-end.TheJSPthatdisplaysagivendocumentintheCMShasthefollowinggeneralstructure：

1.<%--tagdeclaration--%>

2.<t：document>

...

11.<t：paragraph>...<t：citationdocID=’xyz’/>...</t：paragraph>...

99.</t：document>

Thecitationtagmuststoreinformationinthedocumenttagforthedocumenttagtogenerateareferencesectionattheendofthegeneratedwebpage.ThedocumenttaghandlerfollowstheClassictagmodelandthecitationtaghandlerfollowstheSimpletagmodel.Furthermore，thecitationtagcouldalsobeembeddedinothercustomtagsthatcouldhaveeithertheClassicorSimpletaghandlermodel.

Whichtaghandlermethodallowsthecitationtagtoaccessthedocumenttag？（）