___the help of their team, we should not have succeeded.

题目

___the help of their team, we should not have succeeded.
选项:
a、As for
b、 As to
c、 Unless
d、 But for

答案

选 d
原因：But for 翻译为要不是
所以整个句子为：要不是他们组的帮助,我们就不会成功.
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