问题
单项选择题
（） our good relations, we would not have quoted so low a price.
A. But for
B. For
C. If not
D. Except for
答案
参考答案：A
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（） our good relations, we would not have quoted so low a price.
A. But for
B. For
C. If not
D. Except for
参考答案：A