Giventhisfragmentinaservlet:23.if(req.isUserInRole("Admin")){24.／／dostuff25.}And

Giventhisfragmentinaservlet：23.if（req.isUserInRole（"Admin"））{24.//dostuff25.}AndthefollowingfragmentfromtherelatedJavaEEdeploymentdescriptor：812.813.Admin814.Administrator815.900.901.Admin902.Administrator903.Whatistheresult？（）

A.Line24canneverbereached.

B.ThedeploymentdescriptorisNOTvalid.

C.Ifline24executes，theuser’srolewillbeAdmin.

D.Ifline24executes，theuser’srolewillbeAdministrator.

E.Ifline24executestheuser’srolewillNOTbepredictable.

参考D