问题
单项选择题
（）an order for 100 pieces or more，we allow a special discount of 5% for payment by L/C.
A.At
B.In
C.On
D.From
答案
参考答案：C
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（）an order for 100 pieces or more，we allow a special discount of 5% for payment by L/C.
A.At
B.In
C.On
D.From
参考答案：C