信息来源与自我介绍的表达 — 国际贸易选择题

外贸函电中，若想说明“我们从广交会上贵公司的展品得知贵公司名称与地址”，最恰当的表达是哪一句？ A. We owe your name and address to the Canton Fair, where we saw the exhibits of your company. B. We have your name from a friend who lives in your city. C. Your name and address are unknown to us, but we wish to do business with you. D. We learned your address from the newspaper advertisement you placed last month.