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题目内容
（华北水利水电大学混凝土结构设计原理）
______ this information, Alice sat down again to wait. ( )(本题2.0分)
A、 On giving
B、 After having to give
C、 Having been given
D、 After given
A、 On giving
B、 After having to give
C、 Having been given
D、 After given
参考答案