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【单选题】
What specific jobs do securities outside dressing rooms do?A.
In addition to ensuring the life style of the performers, they should prevent any person from entry.
B.
In addition to ensuring the life safety of the actors, they should stop any reporters from entering
C.
In addition to ensuring the life safety of the performers, they should prevent any fans from entering
D.
In addition to ensuring the life safety of the performers, they should prevent any unauthorized person from entering
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