Giventhisfragmentinaservlet:23.if(req.isUserInRole("Admin")){24.／／dostuff25.}And
Giventhisfragmentinaservlet：23.if（req.isUserInRole（"Admin"））{24.//dostuff25.}AndthefollowingfragmentfromtherelatedJavaEEdeploymentdescriptor：812.<security-role-ref>813.<role-name>Admin</role-name>814.<role-link>Administrator</role-link>815.</security-role-ref>900.<security-role>901.<role-name>Admin</role-name>902.<role-name>Administrator</role-name>903.</security-role>Whatistheresult？（）
A.Line24canneverbereached.
B.ThedeploymentdescriptorisNOTvalid.
C.Ifline24executes，theuser’srolewillbeAdmin.
D.Ifline24executes，theuser’srolewillbeAdministrator.
E.Ifline24executestheuser’srolewillNOTbepredictable.
正确答案：参考D
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