问题
选择题
Most companies’ marketing effort is focused on getting customers, with little attention _______ to keeping them.
A．paying
B．to pay
C． paid
D．having paid
答案
C
题目分析：考查with复合结构：句意：大多数公司营销工作重点是得到顾客，几乎没人注意留住他们的。这里用with复合结构“with+宾语+宾语补足语”，因为attention和pay是被动关系，用过去分词做宾语补足语，选C。