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
题目
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.