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题目内容
The spy's repeated bungling was,above all else, _____ those who wished to thwart her efforts, since it was so unpredictable as to obscure any pattern that might otherwise lead to capture.
- Aan obstacle to
- Ba signal to
- Ca hindrance to
- Dan indication for
- Ea snare for
- Fa boon to
A,C显示答案
以上解析由 考满分老师提供。
