3. The acquisition of the grocery chain by an e-commerce retailer pleased the shareholders, who had been laying siege underline(3) theexecutives for their poor performance.

### 问题解析 这道题考察的是介词的正确使用。句子的背景信息是，一家电子商务零售商收购了一家杂货连锁店，这一举动让股东们感到满意，因为股东们之前因为管理层的糟糕表现而对高管们进行了抨击。 句子结构分析： - 主句：The acquisition of the grocery chain by an e-commerce retailer pleased the shareholders. - 从句：who had been laying siege to the executives for their poor performance. 关键点在于“laying siege to”这个短语的使用。"lay siege to" 是一个固定短语，意思是“围攻”或“抨击”，在这里表示股东们对高管们的不满和批评。 ### 选项分析 题目中需要填入一个介词，使句子通顺且意义正确。根据固定短语 "lay siege to"，正确答案应该是 "to"。 ### 完整句子 The acquisition of the grocery chain by an e-commerce retailer pleased the shareholders, who had been laying siege to the executives for their poor performance. ### 答案 3. to