We very much appreciate your efforts（）.
A: our production costs must be no more than 15 percent
B: has done damage to our reputation
C: to negotiate with you
D: to make this product possible
出自：国家开放大学《商务英语(本科)》
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We very much appreciate your efforts（）.
A: our production costs must be no more than 15 percent
B: has done damage to our reputation
C: to negotiate with you
D: to make this product possible
出自：国家开放大学《商务英语(本科)》