信函语气与礼貌策略 — 国际贸易选择题
题目
客户来函措辞强硬地抱怨订单包装有误，回函时以下哪一句最符合英文商务信函的语气与礼貌策略原则？
A. You obviously failed to specify your packing requirements clearly.
B. We apologize for the inconvenience and will send corrected packing details today.
C. This is entirely our fault and you may cancel the order if you wish.
D. Such packing problems rarely happen, so please accept this explanation.