鸡精里面的一道双空题求解

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Earlier discussion with neighboring countries（foundered）due to the government‘s failure to alter policies that those countries find objectionable。Moreover，there is every reason to（）the success of further talks，since the government became，if anything different，more intransigent。
D doubt
E。undermine
F anticipate

求问：答案是D。E undermine 带进去感觉也可以讲通，请问大神怎么排除掉呢