______you have written authorization from the Security Department, please do not

游客2025-06-15 25

问题 ______you have written authorization from the Security Department, please do not enter the zone delineated by the green line.

选项 A、Because
B、Unless
C、Despite
D、Whereas

答案 B

解析 you have written authorization from theSecurity Department是状语从句，故横线处应填入从属连词。排除(C)despite。由主句内容可知，“除非您有安全部门的书面许可”的句意最恰当。答案是(B)unless(除非)。

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