When first to the market, these new products in their pany enjoyed a great success.
A. Introducing
B. introduced
C. to introduce
D. being introduced
网友回答
A. Introducing
(答案→)B. introduced
C. to introduce
D. being introduced
解析：过去分词done表示与句中主语为逻辑上的动宾关系，表完成，没有一定的时间性。本题中，these new products与introduce之间是动宾关系，故应选B。本句含义，当他们公司的这些新产品第一次被介绍到市场上时，它们就享有很大的成功。