题目：
选择题
＿＿＿＿ your decision to place regular orders with us, we respectfully request that you ＿＿＿＿ us with two references for the initial purchase.
- A. As we thank … should give
- B. Because we thank … provide
- C. While appreciating … furnish
- D. When appreciating … will supply
答案：
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