信息来源与自我介绍的表达 — 国际贸易选择题
题目
某学生在建交函中需同时交代信息来源并作自我介绍。他收集到以下四个句子：① Your firm has been recommended to us by the Chamber of Commerce in London. ② We are a leading exporter of Chinese textiles and wish to enter into business relations with you. ③ We have your name and address from the Internet. ④ We look forward to your early reply. 若要将「信息来源」与「自我介绍并表达合作意愿」各选一句、按建交函的正确顺序组成开头，下列哪种组合与排序最恰当？
A. ①②
B. ③④
C. ②①
D. ④③