单选题Given this fragment in a servlet： 23.if（req.isUserInRole（"Admin"）） { 24.// do stuff 25.} And the following fragment from the related Java EE deployment descriptor： 812. 813.Admin 814.Administrator 815. 900. 901.Admin 902.Administrator 903. What is the result？（）ALine 24 can never be reached.BThe deployment descriptor is NOT valid.CIf line 24 executes， the user’s role will be Admin.DIf line 24 executes， the user’s role will be Administrator.EIf line 24 executes the user’s role will NOT be predictable.
单选题
Given this fragment in a servlet： 23.if（req.isUserInRole（"Admin"）） { 24.// do stuff 25.} And the following fragment from the related Java EE deployment descriptor： 812. 813.Admin 814.Administrator 815. 900. 901.Admin 902.Administrator 903. What is the result？（）
A
Line 24 can never be reached.
B
The deployment descriptor is NOT valid.
C
If line 24 executes， the user’s role will be Admin.
D
If line 24 executes， the user’s role will be Administrator.
E
If line 24 executes the user’s role will NOT be predictable.
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