表达合作意愿的常用句型 — 国际贸易选择题

撰写建立业务关系函电时，向对方表达「期待与你方建立长期互利贸易关系」的合作意愿，下列哪句最符合外贸函电惯用表达？ A. We are looking forward to entering into long-term business relations with you on the basis of equality and mutual benefit. B. We will force you to do business with us as soon as possible. C. Maybe we can do some trade if you are free sometime. D. Send us your goods right now, or we will forget you.