根据网考网考试中心的统计分析，以下试题在2018/6/27日成人英语三级考试习题练习中，答错率较高，为：66%
【单选题】______ for your help, we' d never have been able to get over the difficulties.
A. If we had not been
B. Were it not
C. If it were not
D. Had it not been
网考网参考答案：D，答错率：66%
网考网试题解析：
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