问题
单项选择题
In（）to your inquiries, we regret to inform you that we can’t help you in this matter.
A.order
B.response
C.answer
D.reaction
答案
参考答案：B
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In（）to your inquiries, we regret to inform you that we can’t help you in this matter.
A.order
B.response
C.answer
D.reaction
参考答案：B