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题目内容
（山东第一医科大学英语（4））
Vingo was released from prison _________ the successful efforts of his friends to prove hisinnocence.
A . according to
B . as a result of
C . for reasons of
D . with the help of
A . according to
B . as a result of
C . for reasons of
D . with the help of
参考答案